Question: who is the actress that plays penny on the big bang theory
[{'answer': 'Kaley Christine Cuoco', 'provenance': [{'wikipedia_id': '876916', 'title': 'Kaley Cuoco', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '876916', 'title': 'Kaley Cuoco', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 793, 'bleu_score': 0.8587792920630131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12414725113439828021}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '876916', 'title': 'Kaley Cuoco', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['She has also starred as Penny on the CBS sitcom "The Big Bang Theory', 'She has also starred as Penny on the CBS sitcom "The Big Bang Theory" (20072019), for which she has received Satellite, Critics\' Choice, and People\'s Choice Awards.', 'Kaley Christine Cuoco ( ; ; born November 30, 1985) is an American actress and producer. After a series of supporting film and television roles in the late 1990s, she landed her breakthrough role as Bridget Hennessy on the ABC sitcom "8 Simple Rules", on which she starred from 2002 to 2005. Thereafter, Cuoco appeared as Billie Jenkins on the final season of the television series "Charmed" (20052006). She has also starred as Penny on the CBS sitcom "The Big Bang Theory" (20072019), for which she has received Satellite, Critics\' Choice, and People\'s Choice Awards.']}}]}, {'provenance': [{'wikipedia_id': '21971061', 'title': 'Penny (The Big Bang Theory)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Penny is a fictional character on the American CBS sitcom "The Big Bang Theory", portrayed by actress Kaley Cuoco.', 'Penny is a fictional character on the American CBS sitcom "The Big Bang Theory", portrayed by actress Kaley Cuoco.']}}]}]