Question: who is the present managing director of imf
[{'answer': 'Christine Lagarde', 'provenance': [{'wikipedia_id': '15251', 'title': 'International Monetary Fund', 'start_paragraph_id': 3, 'start_character': 125, 'end_paragraph_id': 3, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]