Question: what type of proteins does rough er make
[{'answer': 'secreted proteins', 'provenance': [{'wikipedia_id': '9775', 'title': 'Endoplasmic reticulum', 'start_paragraph_id': 12, 'start_character': 27, 'end_paragraph_id': 12, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Structure.:Rough endoplasmic reticulum.\n'}]}, {'provenance': [{'wikipedia_id': '9775', 'title': 'Endoplasmic reticulum', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 193, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16050271776125322540}, 'section': 'Section::::Structure.:Rough endoplasmic reticulum.\n'}]}]