Frequency (MHz) that has a Call letters of krmd-fm has what sum?
CREATE TABLE table_5633 (
    "Frequency (MHz)" real,
    "Call letters" text,
    "Licensed location" text,
    "Type" text,
    "Format" text
)
SELECT SUM("Frequency (MHz)") FROM table_5633 WHERE "Call letters" = 'krmd-fm'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Frequency (MHz) that has a Call letters of krmd-fm has what sum? ### Input: CREATE TABLE table_5633 (
    "Frequency (MHz)" real,
    "Call letters" text,
    "Licensed location" text,
    "Type" text,
    "Format" text
) ### Response: SELECT SUM("Frequency (MHz)") FROM table_5633 WHERE "Call letters" = 'krmd-fm'