What is the PA when the PF is 77?
CREATE TABLE table_72477 (
    "Locale" text,
    "Skip" text,
    "W" real,
    "L" real,
    "PF" real,
    "PA" real,
    "Ends Won" real,
    "Ends Lost" real,
    "Blank Ends" real,
    "Stolen Ends" real,
    "Shot Pct." real
)
SELECT "PA" FROM table_72477 WHERE "PF" = '77'
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 PA when the PF is 77? ### Input: CREATE TABLE table_72477 (
    "Locale" text,
    "Skip" text,
    "W" real,
    "L" real,
    "PF" real,
    "PA" real,
    "Ends Won" real,
    "Ends Lost" real,
    "Blank Ends" real,
    "Stolen Ends" real,
    "Shot Pct." real
) ### Response: SELECT "PA" FROM table_72477 WHERE "PF" = '77'