¿Cuántos clusters acoplaron entre enero de 2019 y ahora?

"Results": [
    {
        "Text": "entre enero de 2019 y ahora",
        "Start": 28,
        "End": 55,
        "TypeName": "datetimeV2.daterange",
        "Resolution": {
            "values": [
                {
                    "timex": "(2019-01-01,2020-04-26,P481D)",
                    "type": "daterange",
                    "start": "2019-01-01",
                    "end": "2020-04-26"
                }
            ]
        }
    }
]