Question: what is the acceptance rate for penn state
[{'answer': '23 percent'}, {'provenance': [{'wikipedia_id': '1209509', 'title': 'Pennsylvania State University', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 675, 'bleu_score': 0.743285831024819, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2739765483931885390}, 'section': 'Section::::Campuses.:University Park.\n'}]}]