What were the number of sales before 1991?
CREATE TABLE table_name_59 (
    sales VARCHAR,
    year INTEGER
)
SELECT sales FROM table_name_59 WHERE year < 1991
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 were the number of sales before 1991? ### Input: CREATE TABLE table_name_59 (
    sales VARCHAR,
    year INTEGER
) ### Response: SELECT sales FROM table_name_59 WHERE year < 1991