what is the {point in time} for {University of Leeds} has {follows} as {Yorkshire College} ?
University of Leeds was known as Yorkshire College when?
When was the University of Leeds known as Yorkshire College?
SELECT ?m WHERE { resource:University_of_Leeds property:follows ?a . ?a property:follows resource:Yorkshire_College . ?a property:point_in_time ?m }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q503424> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P155> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q24637302> .
?statement <http://www.wikidata.org/entity/P585> ?value. 
} 

SELECT ?value WHERE { wd:Q503424 p:P155 ?s . ?s ps:P155 wd:Q24637302 . ?s pq:P585 ?value}