Conversation so far:
When was Louis C.K. born?
09/12/1967
Where was Louis C.K. born?
Washington, DC.
Is there any information about Louis C.K.'s' parents?
Louis C.K. is the son of software engineer Mary Louise (née Davis) and economist Luis Székely.
When did Louis C.K. start comedy?
Louis C.K.'s first attempt at stand-up was in 1985 at an open mic night at a comedy club in Boston, Massachusetts, during the apex of the comedy boom.

Question: what was his first job as a comedian?
Self-contained rewrite: What was Louis C.K.'s first job as a comedian?