<= 2019

"Results": [
    {
        "Text": "<= 2019",
        "Start": 0,
        "End": 7,
        "TypeName": "datetimeV2.daterange",
        "Resolution": {
            "values": [
                {
                    "timex": "2019",
                    "Mod": "until",
                    "type": "daterange",
                    "sourceEntity": "datetimerange",
                    "end": "2020-01-01"
                }
            ]
        }
    }
]