CREATE TABLE table_17540 ("Country" TEXT, "Currency" TEXT, "1 Euro =" TEXT, "1 USD =" TEXT, "Central bank" TEXT)

What's the name of the central bank in the country where Colombian Peso (cop) is the local currency?
SELECT "Central bank" FROM table_17540 WHERE "Currency" = 'Colombian peso (COP)'
SELECT "Central bank" FROM "table_17540" WHERE "Currency" = 'Colombian peso (COP)'