Question: Who was the original executive producer of the children's television series, produced by Sesame Workshop and created by Joan Ganz Cooney and Lloyd Morrisett?
Sentence (from "Sesame Street"): The series premiered on November 10, 1969, to positive reviews, some controversy, and high viewership; it has aired on the U.S.'s national public television provider (PBS) since its debut, with its first run moving to premium channel HBO on January 16, 2016.
Relevant evidence: No