Question: where were sophie's friends in mamma mia
[{'answer': 'Sky', 'provenance': [{'wikipedia_id': '8425661', 'title': 'Mamma Mia! (film)', 'start_paragraph_id': 6, 'start_character': 504, 'end_paragraph_id': 6, 'end_character': 507, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Ali', 'provenance': [{'wikipedia_id': '8425661', 'title': 'Mamma Mia! (film)', 'start_paragraph_id': 4, 'start_character': 102, 'end_paragraph_id': 4, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Lisa', 'provenance': [{'wikipedia_id': '8425661', 'title': 'Mamma Mia! (film)', 'start_paragraph_id': 4, 'start_character': 110, 'end_paragraph_id': 4, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]