Question: how long will it take voyager to pass through the oort cloud
[{'answer': 'about 30,000 years', 'provenance': [{'wikipedia_id': '22385', 'title': 'Oort cloud', 'start_paragraph_id': 37, 'start_character': 228, 'end_paragraph_id': 37, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Future exploration.\n'}]}, {'provenance': [{'wikipedia_id': '22385', 'title': 'Oort cloud', 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 718, 'bleu_score': 0.912876728434541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10044737211326353067}, 'section': 'Section::::Future exploration.\n'}]}]