what is the {start time} for {Nigel Farage} has {position held} as {member of the European Parliament} ?
Nigel Farage was a member of the European Parliament at what time?
When was Nigel Farage a member of the European Parliament?
SELECT ?d WHERE { ?t property:start_time ?d . resource:Nigel_Farage property:position_held ?t . ?t property:position_held resource:member_of_the_European_Parliament }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q318471> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q27169> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q318471 p:P39 ?s . ?s ps:P39 wd:Q27169 . ?s pq:P580 ?value}