How many {appears in the form of} are to/by {woman} ?
What is the population of women?
how many people are women?
SELECT ( COUNT ( ?v ) AS ?u ) { ?v property:appears_in_the_form_of resource:woman }
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/P4675> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q467 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P4675 wd:Q467 }
3