Question: where did india made her debut in olympic football
[{'answer': 'London', 'provenance': [{'wikipedia_id': '33383363', 'title': 'History of Indian football', 'start_paragraph_id': 14, 'start_character': 21, 'end_paragraph_id': 14, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::1900–1950.\n'}]}]