what is the {start time} for {Ernst Wilimowski} has {member of sports team} as {FC Singen 04} ?
At what time did Ernst Wilimowski become the member of a sports team known as FC Signen 04?
When did Ernst Wilimowski become the member of a sports team known as FC Signen 04?
SELECT ?g WHERE { resource:Ernst_Wilimowski property:member_of_sports_team ?k . ?k property:member_of_sports_team resource:FC_Singen_04 . ?k property:start_time ?g }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q559779> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P54> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q319868> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q559779 p:P54 ?s . ?s ps:P54 wd:Q319868 . ?s pq:P580 ?value}