How many {employer} are to/by {Johnson & Johnson} ?
Johnson & Johnson has how many employees?
How many employers does Johnson & Johnson provide?
SELECT ( COUNT ( ?d ) AS ?r ) { ?d property:employer resource:Johnson_&_Johnson }
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/P108> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q333718 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P108 wd:Q333718 }
48