What is {year of birth} of {parent} of {Hasan al-Askari} ?
When were Hasan al- Askari's parents were born?
What year was Hasan al-Askari's parent(s) born in?
SELECT ?n WHERE { resource:Hasan_al-Askari property:father ?s . ?s property:date_of_birth ?n }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q315920> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P22>. ?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/P569> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q315920 wdt:P22 ?X . ?X wdt:P569 ?answer}
0829-09-12T00:00:00Z