Question: the function of the goblet cells is to
[{'answer': 'secrete gel - forming mucins', 'provenance': [{'wikipedia_id': '1865366', 'title': 'Goblet cell', 'start_paragraph_id': 1, 'start_character': 55, 'end_paragraph_id': 1, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1865366', 'title': 'Goblet cell', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 492, 'bleu_score': 0.9757530668325981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7719475966804114881}, 'section': 'Section::::Abstract.'}]}]