How many {partner} are for {Rainer Maria Rilke} ?
Which is the number of partners that Rainer Maria Rilke had?
How many partners has Rainer Maria Rilke had?
SELECT ( COUNT ( ?f ) AS ?u ) { resource:Rainer_Maria_Rilke property:unmarried_partner ?f }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q76483> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P451> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q76483 wdt:P451 ?obj }
3