What is the Callsign with an Area of tamworth and frequency of 0 88.9?
CREATE TABLE table_34047 (
    "Callsign" text,
    "Area served" text,
    "Frequency" text,
    "Band" text,
    "On-air ID" text,
    "Purpose" text
)
SELECT "Callsign" FROM table_34047 WHERE "Area served" = 'tamworth' AND "Frequency" = '0 88.9'
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 Callsign with an Area of tamworth and frequency of 0 88.9? ### Input: CREATE TABLE table_34047 (
    "Callsign" text,
    "Area served" text,
    "Frequency" text,
    "Band" text,
    "On-air ID" text,
    "Purpose" text
) ### Response: SELECT "Callsign" FROM table_34047 WHERE "Area served" = 'tamworth' AND "Frequency" = '0 88.9'