What is the {founded by} and the {subsidiary} of {Southwest_Airlines} ?
What subsidiary is founded by Southwest Airlines?
Which is {founded by} the {subsidiary} of {Southwest_Airlines} ?
SELECT ?j ?t WHERE { resource:Southwest_Airlines property:subsidiary ?t . resource:Southwest_Airlines property:founded_by ?j }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q503308> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P112> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q503308> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P355> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q503308 wdt:P112 ?ans_1 . wd:Q503308 wdt:P355 ?ans_2 }