Question: who won the 2018 formula 1 australian grand prix tournament
[{'answer': 'Sebastian Vettel', 'provenance': [{'wikipedia_id': '52639993', 'title': '2018 Formula One World Championship', 'start_paragraph_id': 2, 'start_character': 291, 'end_paragraph_id': 2, 'end_character': 307, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52639993', 'title': '2018 Formula One World Championship', 'start_paragraph_id': 43, 'start_character': 0, 'end_paragraph_id': 43, 'end_character': 1024, 'bleu_score': 0.934989549428435, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12408081862966126887}, 'section': 'Section::::Season report.\n'}]}]