Did {Earthquake} {has effect} {Soil liquefaction}?
Do earthquakes cause soil liquefaction?
Does an Earthquake have a soil liquefaction effect?
ASK WHERE { resource:earthquake property:has_effect resource:Soil_liquefaction }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q7944> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1542> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q827291>. } 
ASK WHERE { wd:Q7944 wdt:P1542 wd:Q827291 }