Conversation so far:
How did Chris Brown begin his acting debut?
Brown made appearances on UPN's One on One and The N's Brandon T. Jackson Show on its pilot episode.
What did Chris Brown do in 2005?
Brown began recording his self-titled debut studio album in February 2005.
Are there any hit singles from Chris Brown's debut record?
The album's lead single, Run It!, made Brown the first male act to have his debut single to reach the summit of the Billboard Hot 100.
What else is significant for Chris Brown during 2005
Released on November 29, 2005, the self-titled Chris Brown album debuted at number two on the Billboard 200.

Question: What was he the first male act of?
Self-contained rewrite: What was Chris Brown the first male act of?