user: Question: What was the constructor in 1975?
Columns: ['Year', 'Driver', 'Constructor', 'Location', 'Formula', 'Report']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1960.0, 'Jack Brabham', 'Cooper - Climax', 'Roskilde Ring', 'Formula 2', 'Report']
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Year" = 1975.0;