What time does The Tonight Show by Jay Leno start and end?
SELECT ?value1 ?value2 WHERE { wd:Q1338655 p:P371 ?s . ?s ps:P371 wd:Q218718 . ?s pq:P582 ?value1 . ?s pq:P580 ?value2 }
the tonight show starring jimmy fallon: Q1338655 jay leno: Q218718