Question: When did Enoch Teye Mensah finish his time as head of government for Accra?
Paraphrase: When did Enoch Teye Mensah's time as head of government for Accra end?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q3761 p:P6 ?s . ?s ps:P6 wd:Q5379334 . ?s pq:P582 ?value}