Question: who was first indian to win junior world badminton championship
[{'answer': 'Saina Nehwal', 'provenance': [{'wikipedia_id': '5322451', 'title': 'Saina Nehwal', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5322451', 'title': 'Saina Nehwal', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 556, 'bleu_score': 0.7187546449202861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15727862058338986072}, 'section': 'Section::::Abstract.'}]}]