Question: who was the main actor in sweet home alabama
[{'answer': 'Reese Witherspoon', 'provenance': [{'wikipedia_id': '231486', 'title': 'Sweet Home Alabama (film)', 'start_paragraph_id': 1, 'start_character': 97, 'end_paragraph_id': 1, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]