Question: who played lina lamont in singing in the rain
[{'answer': 'Jean Hagen', 'provenance': [{'wikipedia_id': '1883157', 'title': "Singin' in the Rain", 'start_paragraph_id': 2, 'start_character': 240, 'end_paragraph_id': 2, 'end_character': 250, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1883157', 'title': "Singin' in the Rain", 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 381, 'bleu_score': 0.938501942261528, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13015604799193856228}, 'section': 'Section::::Plot.\n'}]}]