What is the weight of the entry that has a date of birth of 1981-11-21?
CREATE TABLE table_name_23 (
    weight VARCHAR,
    date_of_birth VARCHAR
)
SELECT weight FROM table_name_23 WHERE date_of_birth = "1981-11-21"
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 weight of the entry that has a date of birth of 1981-11-21? ### Input: CREATE TABLE table_name_23 (
    weight VARCHAR,
    date_of_birth VARCHAR
) ### Response: SELECT weight FROM table_name_23 WHERE date_of_birth = "1981-11-21"