Did {Day_of_the_Dead} {country} {Mexico}?
Is the country in the Day of the Dead Mexico?
Is Mexico the country in the Day of the Dead?
ASK WHERE { resource:Day_of_the_Dead property:country resource:Mexico }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q309256> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P17> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q96>. } 
ASK WHERE { wd:Q309256 wdt:P17 wd:Q96 }