{
  "winningPlan": {
    "isCached": false,
    "stage": "FETCH",
    "filter": {
      "breed": {
        "$regex": "(Labrador Retriever Mix|Chesapeake Bay Retriever|Newfoundland)",
        "$options": "i"
      }
    },
    "inputStage": {
      "stage": "IXSCAN",
      "keyPattern": {
        "sex_upon_outcome": 1,
        "age_upon_outcome_in_weeks": 1
      },
      "indexName": "idx_rescue_sex_age",
      "isMultiKey": false,
      "multiKeyPaths": {
        "sex_upon_outcome": [],
        "age_upon_outcome_in_weeks": []
      },
      "isUnique": false,
      "isSparse": false,
      "isPartial": false,
      "indexVersion": 2,
      "direction": "forward",
      "indexBounds": {
        "sex_upon_outcome": [
          "[\"Intact Female\", \"Intact Female\"]"
        ],
        "age_upon_outcome_in_weeks": [
          "[26, 156]"
        ]
      }
    }
  },
  "executionStats": {
    "nReturned": 97,
    "totalKeysExamined": 97,
    "totalDocsExamined": 97
  }
}