Question: who has won the 2017 formula 1 hungarian grand prix tournament
[{'answer': 'Sebastian Vettel', 'provenance': [{'wikipedia_id': '53080737', 'title': '2017 Hungarian Grand Prix', 'start_paragraph_id': 2, 'start_character': 15, 'end_paragraph_id': 2, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]