How many {member of sports team} are to/by {FC Bayern Munich} ?
FC Bayern Munich has what number of members?
How many members does FC Bayern Munich have?
SELECT ( COUNT ( ?g ) AS ?i ) { ?g property:member_of_sports_team resource:FC_Bayern_Munich }
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/P54> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q15789 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P54 wd:Q15789 }
777