Question: the type of epithelial tissue that is two or more cell layers thick is called
[{'answer': 'stratified columnar epithelium', 'provenance': [{'wikipedia_id': '299641', 'title': 'Epithelium', 'start_paragraph_id': 10, 'start_character': 247, 'end_paragraph_id': 10, 'end_character': 277, 'bleu_score': 1.0, 'section': 'Section::::Classification.\n'}]}, {'answer': 'stratified cuboidal epithelium', 'provenance': [{'wikipedia_id': '299641', 'title': 'Epithelium', 'start_paragraph_id': 10, 'start_character': 211, 'end_paragraph_id': 10, 'end_character': 241, 'bleu_score': 1.0, 'section': 'Section::::Classification.\n'}]}, {'answer': 'stratified squamous epithelium', 'provenance': [{'wikipedia_id': '299641', 'title': 'Epithelium', 'start_paragraph_id': 10, 'start_character': 179, 'end_paragraph_id': 10, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Classification.\n'}]}, {'provenance': [{'wikipedia_id': '299641', 'title': 'Epithelium', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 619, 'bleu_score': 0.8799747896071861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14433640421458278784}, 'section': 'Section::::Classification.\n'}]}]