Question: who received the national film award for best actress in 2014
[{'answer': 'Kangana Ranaut', 'provenance': [{'wikipedia_id': '3739128', 'title': 'National Film Award for Best Actress', 'start_paragraph_id': 3, 'start_character': 338, 'end_paragraph_id': 3, 'end_character': 352, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]