Teacher:Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Teacher: Now, understand the problem? Solve this instance: Context : Nan Yik-Pong, better known by his stage name Pong Nan (Chinese: ; born 15 May 1978), is a Cantopop musician, singer-songwriter and actor in Hong Kong.
Answer : singer
Student:
What was Pong Nan's career?