user: Question: What is the lowest enrolled school that was founded in 1992 and joined a conference before 1998?
Columns: ['Institution', 'Location', 'Founded', 'Joined Conference', 'Enrollment', 'Nickname']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['Danville Area Community College', 'Danville, Illinois', '1946', 1990.0, 5000.0, 'Jaguars']
SQL:

assistant: SELECT MIN("Enrollment") FROM "Table" WHERE "Founded" = '1992' AND "Joined Conference" < 1998.0;