what is the {start time} for {Paul Erdős} has {residence} as {Manchester} ?
Paul Erdos lived in Manchester during what years?
When did Paul Erdős live in Manchester?
SELECT ?y WHERE { resource:Paul_Erdős property:residence ?y . ?y property:residence resource:Manchester . ?y property:start_time ?y }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q173746> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P551> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q18125> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q173746 p:P551 ?s . ?s ps:P551 wd:Q18125 . ?s pq:P580 ?value}