Question: In what state are the headquarters of this American multinational automaker, which has a 50:50 joint venture with Changan Automobile?
Sentence (from "Changan Ford"): Changan Ford (officially Changan Ford Automobile Co., Ltd.) is an automotive manufacturing company headquartered in Chongqing, China and a 50:50 joint venture between Changan Automobile and Ford Motor Company.
Relevant evidence: Yes