Result of w, and a Competition of 1968 asian cup happened on what date?
CREATE TABLE table_name_5 (date VARCHAR, result VARCHAR, competition VARCHAR)
SELECT date FROM table_name_5 WHERE result = "w" AND competition = "1968 asian cup"
### Context: CREATE TABLE table_name_5 (date VARCHAR, result VARCHAR, competition VARCHAR) ### Question: Result of w, and a Competition of 1968 asian cup happened on what date? ### Answer: SELECT date FROM table_name_5 WHERE result = "w" AND competition = "1968 asian cup"