Question: who played julia child's in the movie
[{'answer': 'Meryl Streep', 'provenance': [{'wikipedia_id': '17055534', 'title': 'Julie & Julia', 'start_paragraph_id': 1, 'start_character': 96, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17055534', 'title': 'Julie & Julia', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 39, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3852135109000962690}, 'section': 'Section::::Cast.\n'}]}]