Given the task definition and input, reply with output. In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

The Grass Mountain Chateau () is a former residence of late President of the Republic of China Chiang Kai-shek located in Beitou District, Taipei, Taiwan in Yangmingshan National Park. Question: What was the birth date of the president who was a former resident of Grass Mountain Chateau? Answer: October 31, 1887
The Grass Mountain Chateau is a former residence of late President of the Republic of China Chiang Kaishek located in Beitou District, Taipei, Taiwan in Yangmingshan National Park.