what is the {academic major} for {Trey Parker} has {educated at} as {University of Colorado Boulder} ?
What subject did Trey Parker major in at University of Colorado Boulder?
SELECT ?value WHERE { wd:Q44414 p:P69 ?s . ?s ps:P69 wd:Q736674 . ?s pq:P812 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q44414> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P69> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q736674> .
?statement <http://www.wikidata.org/entity/P812> ?value. 
} 

At the University of Colorado Boulder what did Trey Parker major in?