user: Question: what is the highest tankers when pumpers is more than 2?
Columns: ['Brigade', 'Type', 'Pumpers', 'Tankers', 'Cars']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['Ballarat (Volunteers) 1', 'Urban', 1.0, 1.0, 1.0]
SQL:

assistant: SELECT MAX("Tankers") FROM "Table" WHERE "Pumpers" > 2.0;