CREATE TABLE table_name_15 (transmitting_from VARCHAR2, coverage VARCHAR2)

Where is the station with a coverage of yucat n quintana roo campeche transmitting from?
SELECT transmitting_from FROM table_name_15 WHERE coverage = "yucatán quintana roo campeche"
SELECT "transmitting_from" FROM "table_name_15" WHERE "coverage" = "yucatán quintana roo campeche"