Question: what breed of dog does president obama have
[{'answer': 'Portuguese Water Dog', 'provenance': [{'wikipedia_id': '22400042', 'title': 'Bo (dog)', 'start_paragraph_id': 1, 'start_character': 194, 'end_paragraph_id': 1, 'end_character': 214, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22400042', 'title': 'Bo (dog)', 'start_paragraph_id': 1, 'start_character': 3, 'end_paragraph_id': 1, 'end_character': 571, 'bleu_score': 0.870694098059815, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4926028884329373296}, 'section': 'Section::::Abstract.'}]}]