Question: when does last podcast on the left air
[{'answer': 'each Friday', 'provenance': [{'wikipedia_id': '52583144', 'title': 'The Last Podcast on the Left', 'start_paragraph_id': 1, 'start_character': 260, 'end_paragraph_id': 1, 'end_character': 271, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52583144', 'title': 'The Last Podcast on the Left', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 722, 'bleu_score': 0.9605459459520521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11894757919481844190}, 'section': 'Section::::Abstract.'}]}]