user: Question: what is the minimum kerry # with bush % being 78.40%
Columns: ['County', 'Bush #', 'Bush %', 'Kerry #', 'Kerry %', 'Others #', 'Others %', 'Total']
Types: ['text', 'real', 'text', 'real', 'text', 'real', 'text', 'real']
Sample row: ['Allen County, Kansas', 3808.0, '65.92%', 1885.0, '32.63%', 84.0, '1.45%', 5777.0]
SQL:

assistant: SELECT MIN("Kerry #") FROM "Table" WHERE "Bush %" = '78.40%';