What was the highest average attendance in the 2009 season?
CREATE TABLE table_78455 (
    "League" text,
    "Sport" text,
    "Season" text,
    "Total attendance" text,
    "Average attendance" real
)
SELECT MAX("Average attendance") FROM table_78455 WHERE "Season" = '2009'
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 was the highest average attendance in the 2009 season? ### Input: CREATE TABLE table_78455 (
    "League" text,
    "Sport" text,
    "Season" text,
    "Total attendance" text,
    "Average attendance" real
) ### Response: SELECT MAX("Average attendance") FROM table_78455 WHERE "Season" = '2009'