Question: who played gupta in only when i laugh
[{'answer': 'Derrick Branche', 'provenance': [{'wikipedia_id': '1751738', 'title': 'Only When I Laugh (TV series)', 'start_paragraph_id': 2, 'start_character': 247, 'end_paragraph_id': 2, 'end_character': 262, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]