Question: who played moaning myrtle in harry potter films
[{'answer': 'Shirley Henderson', 'provenance': [{'wikipedia_id': '2298825', 'title': 'Shirley Henderson', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2298825', 'title': 'Shirley Henderson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 495, 'bleu_score': 0.8887010410724311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13905755515775316168}, 'section': 'Section::::Abstract.'}]}]