Question: lake tahoe straddles the border between which two u.s. states
[{'answer': 'California', 'provenance': [{'wikipedia_id': '140899', 'title': 'Lake Tahoe', 'start_paragraph_id': 1, 'start_character': 148, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Nevada', 'provenance': [{'wikipedia_id': '140899', 'title': 'Lake Tahoe', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '140899', 'title': 'Lake Tahoe', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 427, 'bleu_score': 0.704209044439567, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12152213619467203518}, 'section': 'Section::::Abstract.'}]}]