Task: Question Answering
Input (English): Passage: However, closing times were increasingly disregarded in the country pubs. In England and Wales by 2000 pubs could legally open from 11 am (12 noon on Sundays) through to 11 pm (10:30 pm on Sundays). That year was also the first to allow continuous opening for 36 hours from 11 am on New Year's Eve to 11 pm on New Year's Day. In addition, many cities had by-laws to allow some pubs to extend opening hours to midnight or 1 am, whilst nightclubs had long been granted late licences to serve alcohol into the morning. Pubs near London's Smithfield market, Billingsgate fish market and Covent Garden fruit and flower market could stay open 24 hours a day since Victorian times to provide a service to the shift working employees of the markets. Question: How many hours per day were pubs located near Billingsgate fish market allowed to remain open?
Output (English): 24