What is the {thesaurus} with the {MIN(data size)} whose {Wikidata property} is {British Museum place ID}  ?
What thesaurus has British Museum as the smallest Wikidata property?
select ?ent where { ?ent wdt:P31 wd:Q17152639 . ?ent wdt:P3575 ?obj . ?ent wdt:P1687 wd:P3633} ORDER BY ASC(?obj)LIMIT 5 
select ?ent where {
?ent <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q17152639>.

?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3575>.
?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj1.

?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?ent .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1687> .
?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://www.wikidata.org/entity/P3633> .

}
ORDER BY ASC(?obj1)
LIMIT 5
What thesaurus has British Gallery as the littlest Wikidata property?