Question: What is the capital of Chicago
Paraphrase: What is Chicago's capital?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P190 wd:Q1297 . ?sbj wdt:P31 wd:Q5119 } 
Answer: Warsaw, Moscow, New Delhi, Mexico City, Athens, Kyiv, Bogotá, Belgrade, Accra, Amman, São Paulo, Vilnius, Belo Horizonte