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