Question: where is gonadotropin releasing hormone (gnrh) secreted from
[{'answer': 'GnRH neurons within the hypothalamus', 'provenance': [{'wikipedia_id': '645537', 'title': 'Gonadotropin-releasing hormone', 'start_paragraph_id': 1, 'start_character': 248, 'end_paragraph_id': 1, 'end_character': 284, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '645537', 'title': 'Gonadotropin-releasing hormone', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 422, 'bleu_score': 0.695164153209275, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1537604007932328835}, 'section': 'Section::::Abstract.'}]}]