Question: who won usa vs the world anw 2018
[{'answer': 'Team Europe', 'provenance': [{'wikipedia_id': '56834483', 'title': 'American Ninja Warrior: USA vs. The World', 'start_paragraph_id': 12, 'start_character': 233, 'end_paragraph_id': 12, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Specials.:"USA vs. the World" (September 2014).\n'}]}]