Question: where did the glass ceiling term come from
[{'answer': 'Marilyn Loden', 'provenance': [{'wikipedia_id': '637623', 'title': 'Glass ceiling', 'start_paragraph_id': 17, 'start_character': 58, 'end_paragraph_id': 17, 'end_character': 71, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]