Question: Which ethnic subgroup in southern China lived on the coastal areas of Kowloon, Hong Kong from around 1916 to 1990?
Sentence (from "Tanka people"): The Tankas () or boat people are an ethnic subgroup in Southern China who have traditionally lived on junks in coastal parts of Guangdong, Guangxi, Fujian, Hainan, and Zhejiang, as well as Hong Kong, and Macau.
Relevant evidence: Yes