Question: an organ that produces secretions called hormones is known as a
[{'answer': 'gland', 'provenance': [{'wikipedia_id': '2296', 'title': 'Adrenal gland', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2296', 'title': 'Adrenal gland', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 414, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9263838673767681209}, 'section': 'Section::::Abstract.'}]}]