user: Question: Can you tell me the Chassis that has the Year of 1977?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1974.0, 'Equipe Nationale', 'March 742', 'BMW', 2.0]
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Year" = 1977.0;