sols = ['db.movies.find({year: 1928}, {_id: 0, title: 1, plot: 1})', 
        """db.movies.find({'awards.wins' :{$gt: 200}}, {_id: 0, title: 1, 'awards_wins': '$awards.wins'})""", 
        """db.movies.find({'imdb.votes' :{$gt: 100}, 'imdb.rating':{$gt: 9.0}}, {_id: 0, title: 1, 'imdb.votes': 1, 'imdb.rating':1})""", 
        """
            db.movies.aggregate([{$unwind: '$directors'},
            {$match: {year: {$gte: 1915, $lte: 1920}}},
            {$group: {_id: '$directors', count_of_movies: {$sum: 1}}},
            { $sort: {count_of_movies: -1} }
            ])
        """, 
        """
            db.comments.aggregate([ 
                { $lookup: {
                from: "movies",
                localField: "movie_id",
                foreignField: "_id",
                as:"MovieDetails"}}, 
                { $unwind: "$MovieDetails" },
                {$project: {name:1, "Movie_imdb_rating": "$MovieDetails.imdb.rating"}},
                {$group: {_id: '$name', count_of_comments: {$sum:1}, average_movie_ratings: {$avg: "$Movie_imdb_rating"}}},
                {$match: {count_of_comments: {$gt: 250}}}
            ])
        """, 
        ("""
            db.movies.aggregate([
            {$unwind: "$cast"},
            {$match: {year:1996}},
            {$project: {cast: 1}},
            {$group: {_id: "$cast", CountOfMovies: {$sum:1}}},
            {$match: {CountOfMovies:{$gt: 3}}},
            { $sort: {CountOfMovies: -1} }
            ])
        """, 
        """
            db.movies.aggregate([
            {$unwind: "$cast"},
            {$match: {year:1996}},
            {$project: {cast: 1}},
            {$group: {_id: "$cast", CountOfMovies: {$sum:1}}},
            {$match: {CountOfMovies:{$gte: 3}}},
            { $sort: {CountOfMovies: -1} }
            ])
        """), 
        ("""
            db.comments.aggregate([ 
            { $lookup: {
            from: "movies",
            localField: "movie_id",
            foreignField: "_id",
            as:"MovieDetails"}}, 
            {$unwind: '$MovieDetails'},{$unwind: '$MovieDetails.genres'},
            {$group: {_id: {name: '$name', Genres: '$MovieDetails.genres'}, comment_count: {$sum: 1}}},
            {$match:{"_id.Genres": "Crime", comment_count:{$gt: 35}}},
            {$project: {_id:0, name : "$_id.name", comment_count: 1}}
            ])
        """,
        """
            db.comments.aggregate([ 
            { $lookup: {
            from: "movies",
            localField: "movie_id",
            foreignField: "_id",
            as:"MovieDetails"}}, 
            {$unwind: '$MovieDetails'},{$unwind: '$MovieDetails.genres'},
            {$group: {_id: {name: '$name', Genres: '$MovieDetails.genres'}, comment_count: {$sum: 1}}},
            {$match:{"_id.Genres": "Crime", comment_count:{$gte: 35}}},
            {$project: {_id:0, name : "$_id.name", comment_count: 1}}
            ])
        """), 
        """
            db.movies.aggregate([
            {$unwind: '$cast'},
            {$unwind: '$directors'},
            {$match: {$expr: {$eq: ["$cast", "$directors"]}}},
            {$project: {title:1, directors: 1}}
            ])
        """]