Question: how many times has brad pitt been nominated for an oscar
[{'answer': 'six', 'provenance': [{'wikipedia_id': '25947406', 'title': 'List of awards and nominations received by Brad Pitt', 'start_paragraph_id': 6, 'start_character': 282, 'end_paragraph_id': 6, 'end_character': 285, 'bleu_score': 1.0, 'section': 'Section::::Major Associations.:Academy Awards.\n'}]}, {'provenance': [{'wikipedia_id': '25947406', 'title': 'List of awards and nominations received by Brad Pitt', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 297, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12657658103787513109}, 'section': 'Section::::Major Associations.:Academy Awards.\n'}]}]