How many floors did the tallest building in Aston have?
CREATE TABLE table_7881 (
    "Name" text,
    "Location" text,
    "Years as tallest" text,
    "Height metres / ft" text,
    "Floors" text
)
SELECT "Floors" FROM table_7881 WHERE "Location" = 'aston'
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: How many floors did the tallest building in Aston have? ### Input: CREATE TABLE table_7881 (
    "Name" text,
    "Location" text,
    "Years as tallest" text,
    "Height metres / ft" text,
    "Floors" text
) ### Response: SELECT "Floors" FROM table_7881 WHERE "Location" = 'aston'