You will be given a definition of a task first, then some input of the task.
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.

Passage: The south of the city is home to some other high-income neighborhoods such as Colonia del Valle and Jardines del Pedregal, and the formerly separate colonial towns of Coyoacan, San Angel, and San Jeronimo. Along Avenida Insurgentes from Paseo de la Reforma, near the center, south past the World Trade Center and UNAM university towards the Periferico ring road, is another important corridor of corporate office space. The far southern boroughs of Xochimilco and Tlahuac have a significant rural population with Milpa Alta being entirely rural. Question: What type of population lives in Tiahuac?
Output:
rural