When was the  American writer and producer born who ran three episodes of "The Simpsons"' twenty-third season?
The Simpsons (season 23):  The showrunner for the season was Al Jean, with three episodes ran with Matt Selman, one of those he also wrote himself. Matt Selman: Matthew "Matt" Selman (born September 9, 1971) is an American writer and producer.
i don't know