What is {start time} and {end time} of {{Jimmy Wales} has {employer} as {Bomis}}
What was Jimmy Wales start and end date during his employment at Bomis?
When was Jimmy Wales employed as Bomis and when did he leave?
SELECT ?y ?n WHERE { ?j property:start_time ?y . ?j property:employer resource:Bomis . ?j property:end_time ?n . resource:Jimmy_Wales property:employer ?j }
select distinct ?value1 ?value2 where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q181> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P108> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q935818>. ?statement <http://www.wikidata.org/entity/P580> ?value1 . ?statement <http://www.wikidata.org/entity/P2842> ?value2 } 
SELECT ?value1 ?value2 WHERE { wd:Q181 p:P108 ?s . ?s ps:P108 wd:Q935818 . ?s pq:P580 ?value1 . ?s pq:P582 ?value2 }