Question: who voiced darth vader in a new hope
[{'answer': 'James Earl Jones', 'provenance': [{'wikipedia_id': '53862', 'title': 'Darth Vader', 'start_paragraph_id': 24, 'start_character': 468, 'end_paragraph_id': 24, 'end_character': 484, 'bleu_score': 1.0, 'section': 'Section::::Creation and development.:Portrayals.\n'}]}, {'provenance': [{'wikipedia_id': '53862', 'title': 'Darth Vader', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 1409, 'bleu_score': 0.9102461021557601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4496263442830511070}, 'section': 'Section::::Creation and development.:Portrayals.\n'}]}]