CREATE TABLE table_77052 ("City of license" TEXT, "Identifier" TEXT, "Frequency" TEXT, "Power" TEXT, "Class" TEXT, "RECNet" TEXT)

What is the City of license with a 88.7 fm frequency
SELECT "City of license" FROM table_77052 WHERE "Frequency" = '88.7 fm'
SELECT "City of license" FROM "table_77052" WHERE "Frequency" = '88.7 fm'