user: Question: what is the least silver when overall is less than 67, team is saami and gold is less than 5?
Columns: ['Team', 'Gold', 'Silver', 'Bronze', 'Overall']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Alaska', 74.0, 55.0, 73.0, 202.0]
SQL:

assistant: SELECT MIN("Silver") FROM "Table" WHERE "Overall" < 67.0 AND "Team" = 'saami' AND "Gold" < 5.0;