When did Jane Goodall and Hugo van Lawick divorce?
SELECT ?value1 ?value2 WHERE { wd:Q184746 p:P26 ?s . ?s ps:P26 wd:Q1281022 . ?s pq:P582 ?value1 . ?s pq:P580 ?value2 }
jane goodall: Q184746 hugo van lawick: Q1281022