What is the frequency of the station with a coverage of oaxaca guerrero puebla?
CREATE TABLE table_39699 (
    "Call sign" text,
    "Launched" text,
    "Transmitting from" text,
    "Coverage" text,
    "Languages" text,
    "Frequency" text
)
SELECT "Frequency" FROM table_39699 WHERE "Coverage" = 'oaxaca guerrero puebla'
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: What is the frequency of the station with a coverage of oaxaca guerrero puebla? ### Input: CREATE TABLE table_39699 (
    "Call sign" text,
    "Launched" text,
    "Transmitting from" text,
    "Coverage" text,
    "Languages" text,
    "Frequency" text
) ### Response: SELECT "Frequency" FROM table_39699 WHERE "Coverage" = 'oaxaca guerrero puebla'