Question: What were the uses of Pan when it was invented in 1970?
Paraphrase: Which were the uses of Pan when it was invented in 1970?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q80174 p:P2283 ?s . ?s ps:P2283 ?obj . ?s pq:P575 ?x filter(contains(YEAR(?x),'1970')) }