When Lincoln City was the away team what is the tie number?
CREATE TABLE table_name_21 (
    tie_no VARCHAR,
    away_team VARCHAR
)
SELECT tie_no FROM table_name_21 WHERE away_team = "lincoln city"
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: When Lincoln City was the away team what is the tie number? ### Input: CREATE TABLE table_name_21 (
    tie_no VARCHAR,
    away_team VARCHAR
) ### Response: SELECT tie_no FROM table_name_21 WHERE away_team = "lincoln city"