Task: Question Generation
Input (English): Context : Nan Yik-Pong, better known by his stage name Pong Nan (Chinese: 藍奕邦; born 15 May 1978), is a Cantopop musician, singer-songwriter and actor in Hong Kong. 
Subject : Pong Nan 
Relation : occupation
Output (English): What was Pong Nan's career?