List of queries to use on MongoDB

Check for balls that were called inside of the zone:

{
    "$and": [
        {
        "description": { "$regex": "ball", "$options": "i" }
        },
        {
        "zone": { "$in": ["1", "2", "3", "4", "5", "6", "7", "8", "9"] }
        }
    ]
}

Check for strikes that were called outside of the zone:

{
    "$and": [
        {
        "description": { "$regex": "strike", "$options": "i" }
        },
        {
        "zone": { "$in": ["11", "12", "13", "14"] }
        }
    ]
}