Task: Question Generation
Input (English): Passage: The 2018 edition of the U.S. Open featured a total of 37 hours of coverage in the United States, with 19.5 hours being on Thursday and Friday, and 17.5 hours being on Saturday and Sunday; the Fox Sports 1 cable network carried a total of 13.5 hours of coverage on Thursday and Friday. The Fox broadcast network had a total of 23.5 hours of coverage Thursday through Sunday, with 6 hours Thursday and Friday, and 17.5 hours Saturday and Sunday. The overall 37-hour total was down 1.5 hours from last years total of 38.5 hours, due to the Fox broadcast networks coverage having 23.5 hours this year, compared to the 24.5 hours it had last year, and the Fox Sports 1 cable networks 13.5 hours this year, compared to the 14 hours it had last year.
Output (English): How many of Fox Sports 1's total 13.5 hours were used on Thursday and Friday?