user: Question: What is the lowest number of bids in the Missouri Valley conference?
Columns: ['Conference', '# of Bids', 'Record', 'Win %', 'Round of 32', 'Sweet Sixteen', 'Elite Eight', 'Final Four', 'Championship Game']
Types: ['text', 'real', 'text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Big 12', 7.0, '9–7', 0.563, 5.0, 4.0, 0.0, 0.0, 0.0]
SQL:

assistant: SELECT MIN("# of Bids") FROM "Table" WHERE "Conference" = 'Missouri Valley';