{ "beer_name" : "Organic Cider", "brewery_name" : "Dunkertons", *"beer_abv" : 6.8* } { "beer_name" : "Belgian White", "brewery_name" : "Blue Moon", "beer_abv" : 5.4 } { "beer_name" : "Cloudy Cider", "brewery_name" : "Addlestones", "beer_abv" : 5.2 }

→

{ $match: { * "beer_abv": { $gte: 6 }* } } ↓ { "beer_name" : "Organic Cider", "brewery_name" : "Dunkertons", *"beer_abv" : 6.8* }