Question: who directed the oscar winning film 'the piano' in 1993
[{'answer': 'Jane Campion', 'provenance': [{'wikipedia_id': '133688', 'title': 'The Piano', 'start_paragraph_id': 1, 'start_character': 398, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '133688', 'title': 'The Piano', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 824, 'bleu_score': 0.7574816073979621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1011498684251520044}, 'section': 'Section::::Abstract.'}]}]