Question: what channel is the late late show with stephen colbert
[{'answer': 'CBS', 'provenance': [{'wikipedia_id': '42457135', 'title': 'The Late Show with Stephen Colbert', 'start_paragraph_id': 1, 'start_character': 173, 'end_paragraph_id': 1, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]