user: Question: What is the average number of runner-up that national university, which has more than 2 total championships, has?
Columns: ['University', "Men's", "Women's", 'Runner-up', 'Total Championships']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Far Eastern University', 3.0, 2.0, 4.0, 5.0]
SQL:

assistant: SELECT AVG("Runner-up") FROM "Table" WHERE "University" = 'national university' AND "Total Championships" > 2.0;