What is the %FPv for the Workers' Party?
CREATE TABLE table_9515 (
    "Party" text,
    "Leader" text,
    "Seats" text,
    "% of seats" text,
    "First Pref votes" text,
    "% FPv" text
)
SELECT "% FPv" FROM table_9515 WHERE "Party" = 'workers'' party'
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 %FPv for the Workers' Party? ### Input: CREATE TABLE table_9515 (
    "Party" text,
    "Leader" text,
    "Seats" text,
    "% of seats" text,
    "First Pref votes" text,
    "% FPv" text
) ### Response: SELECT "% FPv" FROM table_9515 WHERE "Party" = 'workers'' party'