Question: who won the first ever formula 1 race
[{'answer': 'Achille Varzi', 'provenance': [{'wikipedia_id': '640098', 'title': 'History of Formula One', 'start_paragraph_id': 6, 'start_character': 513, 'end_paragraph_id': 6, 'end_character': 526, 'bleu_score': 1.0, 'section': 'Section::::History.:The early years and the continuation of pre-WWII supercharged engines (1946–1950).\n'}]}, {'provenance': [{'wikipedia_id': '640098', 'title': 'History of Formula One', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 555, 'bleu_score': 0.7765765151600471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17792776793993692936}, 'section': 'Section::::History.:The early years and the continuation of pre-WWII supercharged engines (1946–1950).\n'}]}]