What is {date commenced} of {developed by} of {ICQ} ?
What is the date commenced created by ICQ?
What is the date commenced  developed by ICQ?
SELECT ?t WHERE { resource:ICQ property:developer ?h . ?h property:inception ?t }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q58166> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P178>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P571> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q58166 wdt:P178 ?X . ?X wdt:P571 ?answer}
1983-01-01T00:00:00Z 1996-01-01T00:00:00Z 2005-01-01T00:00:00Z