what is the {language of work or name} for {Egyptian Museum} has {located at street address} as {El Tahrir Sq., Downtown, Cairo} ?
In what language are the works of the Egyptian Museum, located at El Tahrir Sq. in Downtown Cairo?
SELECT ?value WHERE { wd:Q201219 p:P969 ?s . ?s ps:P969 ?x filter(contains(?x,'El Tahrir Sq., Downtown, Cairo')) . ?s pq:P407 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q201219> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P969> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <El Tahrir Sq., Downtown, Cairo> .
?statement <http://www.wikidata.org/entity/P407> ?value. 
} 

The works of the Egyptian Museum, which are located at El Tahrir Sq. in Downtown Cairo, are in what language?