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.
Q: Passage: Many of the city's buildings are in the Georgian style, although there are a number of examples of modern landmark structures, such as County Hall tower, which was, at one time the tallest building in Ireland until being superseded by another Cork City building: The Elysian. Across the river from County Hall is Ireland's longest building; built in Victorian times, Our Lady's Psychiatric Hospital has now been renovated and converted into a residential housing complex called Atkins Hall, after its architect William Atkins. Question: What is the longest building in Cork?
A:
Our Lady's Psychiatric Hospital