Question: where does the murray river enter the ocean
[{'answer': 'Lake Alexandrina', 'provenance': [{'wikipedia_id': '19811', 'title': 'Murray River', 'start_paragraph_id': 1, 'start_character': 466, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19811', 'title': 'Murray River', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 0.8488960990832961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17617590964747205965}, 'section': 'Section::::Abstract.'}]}]