Question: How many novels are in the C.S. Lewis series that the Brazilian series "Sítio do Picapau Amarelo" has been compared to?
Sentence (from "Sítio do Picapau Amarelo (novel series)"): Sítio do Picapau Amarelo (literally translated and roughly known as "the Yellow Woodpecker Farm" or "the Yellow Woodpecker Ranch") is the title given to a series of 23 fantasy novels written by Brazilian author Monteiro Lobato between 1920 and 1940.
Relevant evidence: No