How many {recorded at} are to/by {Los Angeles} ?
how many records are done in Los Angeles?
SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P483 wd:Q65 }
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/P483> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q65 .
} 

Los Angeles has done how many records?