Question: who played mary johnson on welcome back kotter
[{'answer': 'Irene Arranga', 'provenance': [{'wikipedia_id': '384163', 'title': 'Welcome Back, Kotter', 'start_paragraph_id': 44, 'start_character': 12, 'end_paragraph_id': 44, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Other recurring characters.\n'}]}, {'provenance': [{'wikipedia_id': '384163', 'title': 'Welcome Back, Kotter', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 78, 'bleu_score': 0.8242367502646051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3494168468399287904}, 'section': 'Section::::Other recurring characters.\n'}]}]