Question: when did india won first gold medal in olympics
[{'answer': '1928', 'provenance': [{'wikipedia_id': '3630757', 'title': 'India at the Olympics', 'start_paragraph_id': 3, 'start_character': 290, 'end_paragraph_id': 3, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]