Question: who played joe in up the down staircase
[{'answer': 'Jeff Howard', 'provenance': [{'wikipedia_id': '14459667', 'title': 'Up the Down Staircase (film)', 'start_paragraph_id': 25, 'start_character': 106, 'end_paragraph_id': 25, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]