What is the {category of associated people} and the {geography of topic} of {Houston} ?
What is the bunch of related individuals and the geology of the Houston topic?
What is the group of associated people and the geography of the Houston topic?
SELECT ?q ?g WHERE { resource:Houston property:category_of_associated_people ?q . resource:Houston property:geography_of_topic ?g }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q16555> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1792> . ?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/Q16555> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2633> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q16555 wdt:P1792 ?ans_1 . wd:Q16555 wdt:P2633 ?ans_2 }
Category:People from Houston geography of Houston