Question: where does los angeles get its water supply
[{'answer': 'Owens River', 'provenance': [{'wikipedia_id': '20732259', 'title': 'Water in California', 'start_paragraph_id': 18, 'start_character': 224, 'end_paragraph_id': 18, 'end_character': 235, 'bleu_score': 1.0, 'section': 'Section::::Sources of water.:Surface water.\n'}]}, {'provenance': [{'wikipedia_id': '20732259', 'title': 'Water in California', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 321, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17828017408949744520}, 'section': 'Section::::Sources of water.:Surface water.\n'}]}]