Question: what type of bird is black with a brown head
[{'answer': 'brown - headed cowbird', 'provenance': [{'wikipedia_id': '380851', 'title': 'Brown-headed cowbird', 'start_paragraph_id': 26, 'start_character': 64, 'end_paragraph_id': 26, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Brood parasitism.:Human intervention.\n'}]}, {'provenance': [{'wikipedia_id': '380851', 'title': 'Brown-headed cowbird', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 463, 'bleu_score': 0.7004322641727181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12509394336940803734}, 'section': 'Section::::Description.\n'}]}]