Season nine of "South Park", an American animated television series created by Trey Parker and Matt Stone, began airing on March 9, 2005. The ninth season concluded after 14 episodes on December 7, 2005. All of the episodes in the ninth season were written and directed by Trey Parker.

Can we draw the following conclusion?
The ninth season featured 15 episodes, which were all written by Parker, but one was cancelled during the series run.

Pick from:
1). Yes.
2). It's impossible to say.
3). No.
2).