How many {field of work} are for {Mikhail Lomonosov} ?
How many fields of work is Mikhail Lomonosov active in?
In how many fields of work is Mikhail Lomonosov active?
SELECT ( COUNT ( ?p ) AS ?z ) { resource:Mikhail_Vassilyevich_Lomonosov property:field_of_work ?p }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q58720> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P101> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q58720 wdt:P101 ?obj }
7