Question: welcome back welcome back welcome back theme song
[{'answer': 'Welcome Back , Kotter', 'provenance': [{'wikipedia_id': '18440627', 'title': 'Welcome Back (John Sebastian song)', 'start_paragraph_id': 6, 'start_character': 407, 'end_paragraph_id': 6, 'end_character': 428, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '18440627', 'title': 'Welcome Back (John Sebastian song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 487, 'bleu_score': 0.9385994309919131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2603351304535983152}, 'section': 'Section::::Abstract.'}]}]