What is {record label} of {Patti Smith} that is {start time} is {1975-0-0} ?
Tell me what label Patti Smith started with in 1975?
What record label did Patti Smith start with in 1975?
SELECT ?q WHERE { ?r property:start_time ?e . ?r property:record_label ?q . resource:Patti_Smith property:record_label ?r . FILTER ( CONTAINS ( YEAR ( ?e ) , '1975' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q557> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P264> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1975-0-0>
} 

SELECT ?obj WHERE { wd:Q557 p:P264 ?s . ?s ps:P264 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1975')) }