Question: the evidence of which nobel gases was first observed in india during a solar eclipse
[{'answer': 'Helium', 'provenance': [{'wikipedia_id': '13256', 'title': 'Helium', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13256', 'title': 'Helium', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 949, 'bleu_score': 0.9718863376361161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12635548944940109517}, 'section': 'Section::::Abstract.'}]}]