Question: Which is the video game for which Gabe Newell is a developer and chief executive officer?
Paraphrase: Which is the video diversion for which Gabe Newell may be a designer and chief official officer?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P169 wd:Q347418 . ?sbj wdt:P31 wd:Q210167 } 
Answer: Valve Corporation