Question: who plays padme in revenge of the sith
[{'answer': 'Natalie Portman', 'provenance': [{'wikipedia_id': '23487242', 'title': 'Padmé Amidala', 'start_paragraph_id': 1, 'start_character': 124, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]