Question: taarak mehta ka ooltah chashmah serial start date
[{'answer': 'July 28 , 2008'}, {'provenance': [{'wikipedia_id': '23045350', 'title': 'Taarak Mehta Ka Ooltah Chashmah', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 305, 'bleu_score': 0.657960699178549, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6592354716520632132}, 'section': 'Section::::Abstract.'}]}]