Question: Rick Grimes is a fictional character and the protagonist in the comic book series "The Walking Dead", Grimes is a small town sheriff's deputy who has a son, Carl Grimes is a fictional character from the comic book series, and is portrayed by Chandler Riggs in the American television series of the same name, which airs on AMC, in which country?
{'answer': 'United States', 'supporting_facts': [['Rick Grimes', 2], ['Carl Grimes', 0]]}