How many {open days} are to/by {Thursday} ?
What is the number of days open for Thursday?
How many days are open for the {Thursday} ?
SELECT ( COUNT ( ?x ) AS ?v ) { ?x property:open_days resource:Thursday }
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/P3025> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q129 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P3025 wd:Q129 }
328