Question: How many municipalities did one of the palce where Echinocactus polycephalus occured divided into
Sentence (from "Sonora"): Sonora (] ), officially the Free and Sovereign State of Sonora (Spanish: "Estado Libre y Soberano de Sonora" ), is one of 31 states that, with Mexico City, comprise the 32 federal entities of United Mexican States.
Relevant evidence: No