Question: when does jesse come back to glee season 2
[{'answer': '20', 'provenance': [{'wikipedia_id': '28043726', 'title': 'Glee (season 2)', 'start_paragraph_id': 1, 'start_character': 110, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]