user: Question: What is the lowest Chorley with a 6 Preston and a 4 for West Lancashire?
Columns: ['Party', 'Burnley', 'Chorley', 'Fylde', 'Hyndburn', 'Lancaster', 'Pendle', 'Preston', 'Ribble Valley', 'Rossendale', 'South Ribble', 'West Lancashire', 'Wyre', 'Total']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Labour', 6.0, 4.0, 0.0, 6.0, 6.0, 1.0, 6.0, 0.0, 3.0, 5.0, 4.0, 3.0, 44.0]
SQL:

assistant: SELECT MIN("Chorley") FROM "Table" WHERE "Preston" = 6.0 AND "West Lancashire" < 4.0;