Question: who played lina in singin in the rain
[{'answer': 'Jean Hagen', 'provenance': [{'wikipedia_id': '1291976', 'title': 'Jean Hagen', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1291976', 'title': 'Jean Hagen', 'start_paragraph_id': 1, 'start_character': 5, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 0.9039817846229271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9743423628705974659}, 'section': 'Section::::Abstract.'}]}]