On what Date did the massacre result with 21 Injured?
CREATE TABLE table_name_73 (
    date VARCHAR,
    injured VARCHAR
)
SELECT date FROM table_name_73 WHERE injured = "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: On what Date did the massacre result with 21 Injured? ### Input: CREATE TABLE table_name_73 (
    date VARCHAR,
    injured VARCHAR
) ### Response: SELECT date FROM table_name_73 WHERE injured = "21"