Question: When was was an English author, best known for his books about the teddy bear Winnie-the-Pooh only mystery novel published?
Sentence (from "A. A. Milne"): Alan Alexander Milne ( ; 18 January 1882 – 31 January 1956) was an English author, best known for his books about the teddy bear Winnie-the-Pooh and for various poems.
Relevant evidence: Yes