PREFIX geo: <http://www.opengis.net/ont/geosparql#>
PREFIX geof: <http://www.opengis.net/def/function/geosparql/>

SELECT ?city
WHERE { ?city geo:asWKT ?coord1 .
        <http://example.org/colorado> geo:asWKT ?coord2 .
        FILTER ( geof:ehContains(?coord2, ?coord1) )
}