Question: when do you see darth vader's face
[{'answer': 'Return of the Jedi', 'provenance': [{'wikipedia_id': '53862', 'title': 'Darth Vader', 'start_paragraph_id': 24, 'start_character': 649, 'end_paragraph_id': 24, 'end_character': 667, 'bleu_score': 1.0, 'section': 'Section::::Creation and development.:Portrayals.\n'}]}, {'provenance': [{'wikipedia_id': '53862', 'title': 'Darth Vader', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 1494, 'bleu_score': 0.9733600637196841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3548000546803208701}, 'section': 'Section::::Creation and development.:Portrayals.\n'}]}]