What round has hereford united as the opponent?
CREATE TABLE table_name_50 (round VARCHAR, opponent VARCHAR)
SELECT round FROM table_name_50 WHERE opponent = "hereford united"
### Context: CREATE TABLE table_name_50 (round VARCHAR, opponent VARCHAR) ### Question: What round has hereford united as the opponent? ### Answer: SELECT round FROM table_name_50 WHERE opponent = "hereford united"