Question: George Hamilton served as the constable of the police force that is the successor of what?
Sentence (from "Police Service of Northern Ireland"): The Police Service of Northern Ireland (PSNI; Irish: "Seirbhís Póilíneachta Thuaisceart Éireann" ; Ulster Scots: "Polis Servis o Norlin Airlan") is the police force that serves Northern Ireland.
Relevant evidence: No