Question: Which city in Mexico, part of the state of Quintana Roo, is an island located in the Caribbean Sea where the radio station XERB-AM/XHRB-FM is broadcasted on 810 AM and 89.9 FM?
Sentence (from "San Miguel de Cozumel"): San Miguel de Cozumel (] ) is the largest city in Cozumel Municipality in the Mexican state of Quintana Roo.
Relevant evidence: No