what is the {start time} for {Anne of Great Britain} has {position held} as {monarch of England} ?
When Anne of Great Britain, began her position ruler of England?
When Anne of Great Britain, started her position monarch of England?
SELECT ?f WHERE { resource:Anne_of_Great_Britain property:position_held ?p . ?p property:position_held resource:monarch_of_England . ?p property:start_time ?f }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q119702> .
?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/Q18810062> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q119702 p:P39 ?s . ?s ps:P39 wd:Q18810062 . ?s pq:P580 ?value}