What is the bore for a 9-cyl radial on a 9 AD?
CREATE TABLE table_name_8 (
    bore VARCHAR,
    cyl VARCHAR,
    name VARCHAR
)
SELECT bore FROM table_name_8 WHERE cyl = "9-cyl radial" AND name = "9 ad"
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 bore for a 9-cyl radial on a 9 AD? ### Input: CREATE TABLE table_name_8 (
    bore VARCHAR,
    cyl VARCHAR,
    name VARCHAR
) ### Response: SELECT bore FROM table_name_8 WHERE cyl = "9-cyl radial" AND name = "9 ad"