what is the {start time} for {Ferenc Puskás} has {member of sports team} as {Hungary national football team} ?
On what date did Ferenc Puskas start as a member of Hungary national football team?
When Ferenc Puskás started as member of Hungary national football team?
SELECT ?t WHERE { ?b property:member_of_sports_team resource:Hungary_national_association_football_team . resource:Ferenc_Puskás property:member_of_sports_team ?b . ?b property:start_time ?t }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q482931> .
?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/Q170561> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q482931 p:P54 ?s . ?s ps:P54 wd:Q170561 . ?s pq:P580 ?value}