Question: What was the title character of a 90th birthday special participated in by Thelma Mae Harper made honorary mayor of?
Sentence (from "Thelma Harper"): With Lawrence continuing to play the role into the present day, the "Mama" character has made numerous other post-television show appearances, such as on "Hollywood Squares"; "The Talk"; ""Larry the Cable Guy's Christmas Spectacular"" (2007); ""Betty White's 2nd Annual 90th Birthday"" (February 5, 2013); "The Queen Latifah Show" (May 20, 2014) etc.
Relevant evidence: Yes