What is {work period (start)} and {work period (end)} of {{Seattle} has {head of government} as {Gordon S. Clinton}}
When did Gordon S. Clinton begin and end his role as Seattle's head of government?
When did Gordon S. Clinton start and finish his role as the head of government for Seattle?
SELECT ?h ?r WHERE { ?m property:work_period_(end) ?r . resource:Seattle property:head_of_government ?m . ?m property:head_of_government resource:Gordon_Stanley_Clinton . ?m property:work_period_(start) ?h }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5083> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P6> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q5585769>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q5083 p:P6 ?s . ?s ps:P6 wd:Q5585769 . ?s pq:P2031 ?value1 . ?s pq:P2032 ?value2 }