Task: Question Generation
Input (English): Context : ``The Mook, the Chef, the Wife and Her Homer'' is the season premiere of The Simpsons'' eighteenth season and first aired September 10, 2006. 
Subject : The Mook, the Chef, the Wife and Her Homer 
Relation : series
Output (English): What series is the episode The Mook, the Chef, the Wife and Her Homer part of?