Question: when will malaysia stop selling water to singapore
[{'answer': '2061', 'provenance': [{'wikipedia_id': '15293328', 'title': 'Water conflicts between Malaysia and Singapore', 'start_paragraph_id': 6, 'start_character': 404, 'end_paragraph_id': 6, 'end_character': 408, 'bleu_score': 1.0, 'section': 'Section::::History.:20th century.\n'}]}]