Question: who directed the film '1942 a love story'
[{'answer': 'Vidhu Vinod Chopra', 'provenance': [{'wikipedia_id': '2428475', 'title': '1942: A Love Story', 'start_paragraph_id': 40, 'start_character': 24, 'end_paragraph_id': 40, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Awards.\n'}]}]