Definition: This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Input: Passage: Metrobus Transit is responsible for public transit in the region. Metrobus has a total of 19 routes, 53 buses and an annual ridership of 3,014,073. Destinations include the Avalon Mall, The Village Shopping Centre, Memorial University, Academy Canada, the College of the North Atlantic, the Marine Institute, the Confederation Building, downtown, Stavanger Drive Business Park, Kelsey Drive, Goulds, Kilbride, Shea Heights, the four hospitals in the city as well as other important areas in St. John's and Mount Pearl. Question: How many hospitals does the city have?
Output:
four