which is the point in time for Grigory Potemkin that has award received as Order of St. George, 3rd class ?
SELECT ?value WHERE { wd:Q243201 p:P166 ?s . ?s ps:P166 wd:Q14905809 . ?s pq:P585 ?value}
grigory potemkin: Q243201 order of st. george, 3rd class: Q14905809