what is the {start time} for {Tomsk} has {located in the administrative territorial entity} as {Tomsk Governorate} ?
On what date did Tomsk become the administrative territorial entity of the Tomsk Governorate?
When did Tomsk start being the administrative territorial entity of the Tomsk Governorate?
SELECT ?i WHERE { resource:Tomsk property:located_in_the_administrative_territorial_entity ?s . ?s property:start_time ?i . ?s property:located_in_the_administrative_territorial_entity resource:Tomsk_Governorate }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q976> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P131> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1378406> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q976 p:P131 ?s . ?s ps:P131 wd:Q1378406 . ?s pq:P580 ?value}