what is the {start time} for {Aleksandr Lyapunov} has {educated at} as {Saint Petersburg State University} ?
What is the beginning time for Aleksandr Lyapunov who has taught as Holy person Petersburg State University?
What is the starting time for Aleksandr Lyapunov who has educated as Saint Petersburg State University?
SELECT ?m WHERE { ?g property:educated_at resource:Saint_Petersburg_State_University . resource:Aleksandr_Lyapunov property:educated_at ?g . ?g property:start_time ?m }
select distinct ?value  where {
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?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P69> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q27621> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q310788 p:P69 ?s . ?s ps:P69 wd:Q27621 . ?s pq:P580 ?value}