user: Question: What in the minimum number of championships won by a nation?
Columns: ['Country', 'Total Drivers', 'Champions', 'Championships', 'Current March 20, 2010', 'First driver(s)', 'Last/Current driver(s) March 20, 2010']
Types: ['text', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: ['Bahrain', 1.0, 0.0, 0.0, 0.0, 'Hamad Al Fardan ( 2008–09 )', 'Hamad Al Fardan ( 2008–09 )']
SQL:

assistant: SELECT MIN("Championships") FROM "Table";