Question: Who is the {Wikimedia category} for {category of associated people} of {Tijuana}
Paraphrase: Who is the { wikimedia category } of { associated individual category } of { Tijuana }?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q124739 wdt:P1792 ?obj . ?obj wdt:P31 wd:Q4167836 } 
Answer: Category:People from Tijuana