Question: who directed indiana jones raiders of the lost ark
[{'answer': 'Steven Spielberg', 'provenance': [{'wikipedia_id': '54166', 'title': 'Raiders of the Lost Ark', 'start_paragraph_id': 1, 'start_character': 143, 'end_paragraph_id': 1, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]