user: Question: Who was the guest on the episode where The Word was "P.R.-mageddon"?
Columns: ['Episode #', 'The Wørd', 'Guest', 'Introductory phrase', 'Original airdate', 'Production code']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [725.0, '"P.R.-mageddon"', 'Mark Frauenfelder', 'None', 'June 8', 6073.0]
SQL:

assistant: SELECT "Guest" FROM "Table" WHERE "The Wørd" = '"P.R.-mageddon"';