Question: who is known for her role in narmada bachao andolan
[{'answer': 'Medha Patkar', 'provenance': [{'wikipedia_id': '3782186', 'title': 'Narmada Bachao Andolan', 'start_paragraph_id': 3, 'start_character': 201, 'end_paragraph_id': 3, 'end_character': 213, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]