user: Question: Which is the smallest First year when the population is 32645?
Columns: ['Town/City', 'Population', 'Operator', 'First year', 'Duration']
Types: ['text', 'real', 'text', 'real', 'text']
Sample row: ['Agudos , SP', 36700.0, 'local government', 2011.0, 'since 2011']
SQL:

assistant: SELECT MIN("First year") FROM "Table" WHERE "Population" = 32645.0;