Did {Quantum_mechanics} {creator} {Max Planck} and {Eugene Wigner} ?
Did Max Planck and Eugene Wigner create Quantum_mechanics?
Was Quantum_mechanics creator Max Planck and Eugene Wigner ?
ASK WHERE { resource:quantum_mechanics property:creator resource:Eugene_Wigner . resource:quantum_mechanics property:creator resource:Max_Planck }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q944> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P170> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q9021>. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q944> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P170> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q155790>. } 
ASK WHERE { wd:Q944 wdt:P170 wd:Q9021 . wd:Q944 wdt:P170 wd:Q155790 }