user: ### NOW ANSWER:
Question: Tell me the build year for total production of 150
Columns: ['Model', 'Build year', 'Top speed (In operation) （km/h）', 'Power output （kW）', 'Total production']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['6Y2', '1958—1961', 101.0, '4740', 25.0]
SQL:

assistant: SELECT "Build year" FROM "Table" WHERE "Total production" = 150.0;