Based on the context and the answer, generate a question. 

Context: We joked about the difficulty of finding 50 different phrases to write in the book at one 's launch . So I suggested to Stefan that he write me something obscene . He happily obliged , writing : " Cunt .

Answer:

He wrote the obscene word in the cover of the book where authors frequently sign it .



Where in the book did Stefan write the obscene word ?