Question: who plays sheldon on the big bang theory
[{'answer': 'James Joseph Parsons', 'provenance': [{'wikipedia_id': '13331280', 'title': 'Jim Parsons', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13331280', 'title': 'Jim Parsons', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 0.8885555874346831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12939584853672071553}, 'section': 'Section::::Abstract.'}]}]