How many {surface tension} are for {ethyl acetate} ?
ethyl acetate includes how many surface tensions?
How many surface tensions are there for ethyl acetate?
SELECT ( COUNT ( ?t ) AS ?g ) { resource:ethyl_acetate property:surface_tension ?t }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q407153> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3013> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q407153 wdt:P3013 ?obj }
5