Question: who played katherine in under the tuscan sun
[{'answer': 'Lindsay Duncan', 'provenance': [{'wikipedia_id': '1389099', 'title': 'Under the Tuscan Sun (film)', 'start_paragraph_id': 5, 'start_character': 331, 'end_paragraph_id': 5, 'end_character': 345, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '1389099', 'title': 'Under the Tuscan Sun (film)', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 39, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16607751209462002014}, 'section': 'Section::::Cast.\n'}]}]