Question: where does the imperial valley get almost all of its water
[{'answer': 'Colorado River', 'provenance': [{'wikipedia_id': '441491', 'title': 'Imperial Valley', 'start_paragraph_id': 1, 'start_character': 221, 'end_paragraph_id': 1, 'end_character': 235, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '441491', 'title': 'Imperial Valley', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 880, 'bleu_score': 0.8993058610220571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14729701371294032661}, 'section': 'Section::::Geography.\n'}]}]