When was David Trimble elected as a Member of the 1st Northern Ireland Assembly and what position did he hold?
SELECT ?value1 ?value2 WHERE { wd:Q192556 p:P39 ?s . ?s ps:P39 wd:Q37303731 . ?s pq:P2715 ?value1 . ?s pq:P1534 ?value2 }
david trimble: Q192556 member of the 1st northern ireland assembly: Q37303731