Question: the commercials that run across the bottom third of a tv screen are called
[{'answer': 'news ticker', 'provenance': [{'wikipedia_id': '967673', 'title': 'News ticker', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': "sometimes called a `` crawler '' , `` crawl '' or `` slide ''"}, {'provenance': [{'wikipedia_id': '967673', 'title': 'News ticker', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 435, 'bleu_score': 0.972407137066537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15532890498502120999}, 'section': 'Section::::Abstract.'}]}]