count_imdb_vote_aggregate.mongo

db.movies.aggregate(
        // Pipeline
        [
            // Stage 1
            {
                $match: {
                    // conditional query 
                    "imdb.rating": {
                        $lt: 7.5
                    }
                }
            },
            // Stage 2
            {
                $group: {
                    _id: "total_vote",
                    vote_count: { 
                        $sum: "$imdb.votes"
                    }
                }
            },
        ]
)