What is the PI code in the hindhead area?
CREATE TABLE table_15579 (
    "Transmitter Site" text,
    "Frequency" text,
    "Power" text,
    "RDS Name" text,
    "PI Code" text,
    "Area" text
)
SELECT "PI Code" FROM table_15579 WHERE "Area" = 'hindhead'
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 PI code in the hindhead area? ### Input: CREATE TABLE table_15579 (
    "Transmitter Site" text,
    "Frequency" text,
    "Power" text,
    "RDS Name" text,
    "PI Code" text,
    "Area" text
) ### Response: SELECT "PI Code" FROM table_15579 WHERE "Area" = 'hindhead'