{
    "meta": {},
    "warnings": [],
    "query": {},
    "messages": [],
    "collection": {
        "operands": [
            {
                "@type": "koral:doc",
                "match": "match:eq",
                "type": "type:date",
                "value": "2005",
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            },
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                "ref": "named-vc3",
                "@type": "koral:docGroupRef"
            }
        ],
        "@type": "koral:docGroup",
        "operation": "operation:and"
    },
    "@context": "http://korap.ids-mannheim.de/ns/koral/0.3/context.jsonld",
    "errors": []
}

