What is the lowest year joined in the city of College Park at the Conference championships smaller than 0?
CREATE TABLE table_name_81 (joined INTEGER, city VARCHAR, conference_championships VARCHAR)
SELECT MIN(joined) FROM table_name_81 WHERE city = "college park" AND conference_championships < 0
### Context: CREATE TABLE table_name_81 (joined INTEGER, city VARCHAR, conference_championships VARCHAR) ### Question: What is the lowest year joined in the city of College Park at the Conference championships smaller than 0? ### Answer: SELECT MIN(joined) FROM table_name_81 WHERE city = "college park" AND conference_championships < 0