Question: how many academy awards did bridge on the river kwai win
[{'answer': 'seven', 'provenance': [{'wikipedia_id': '42856', 'title': 'The Bridge on the River Kwai', 'start_paragraph_id': 3, 'start_character': 37, 'end_paragraph_id': 3, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42856', 'title': 'The Bridge on the River Kwai', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 649, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 227209639048835248}, 'section': 'Section::::Abstract.'}]}]