Question: who is the actress that plays amy on big bang theory
[{'answer': 'Mayim Chaya Bialik', 'provenance': [{'wikipedia_id': '718320', 'title': 'Mayim Bialik', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '718320', 'title': 'Mayim Bialik', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 590, 'bleu_score': 0.5445599721751331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3572436800725341306}, 'section': 'Section::::Abstract.'}]}]