How many {sibling} are to/by {Fú Jiān} ?
How many brothers and sisters does Fu Jian have?
How many siblings does Fú Jiān have?
SELECT ( COUNT ( ?x ) AS ?q ) { ?x property:sibling resource:Fú_Jiān }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3373> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q967998 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P3373 wd:Q967998 }
4