Question: where does the columbia river meet the snake river
[{'answer': 'Burbank , Washington', 'provenance': [{'wikipedia_id': '27982', 'title': 'Snake River', 'start_paragraph_id': 9, 'start_character': 708, 'end_paragraph_id': 9, 'end_character': 730, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'provenance': [{'wikipedia_id': '27982', 'title': 'Snake River', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 867, 'bleu_score': 0.9504063197491781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12551329004900125745}, 'section': 'Section::::Course.\n'}]}]