what is the {start time} for {Schutzstaffel} has {manager/director} as {Erhard Heiden} ?
What were the dates when Schutzstaffel held the title of manager/director at the Erhard Heiden company.
When was Schutzstaffel the manager/director of Erhard Heiden?
SELECT ?a WHERE { ?t property:director_/_manager resource:Erhard_Heiden . ?t property:start_time ?a . resource:Schutzstaffel property:director_/_manager ?t }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q44687> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1037> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q60222> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q44687 p:P1037 ?s . ?s ps:P1037 wd:Q60222 . ?s pq:P580 ?value}