You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: AIRLINE AD SLOGANS 
Clue: "The world's favourite airline"
british airways

Category: CALL ME SMITTY 
Clue: Her Armistice Day rendition of "God Bless America" in 1938 introduced the song to the world
kate smith

Category: "STUPID" ANSWERS 
Clue: 1967 No. 1 hit for Frank & Nancy Sinatra

"somethin\' stupid"