user: Question: How many points does an entrant of martini racing, the engine of an alfa romeo flat-12 a chassis of brabham bt45, and the year 1976 have?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1972.0, 'Team Williams-Motul', 'March 711', 'Cosworth V8', 3.0]
SQL:

assistant: SELECT "Points" FROM "Table" WHERE "Entrant" = 'martini racing' AND "Engine" = 'alfa romeo flat-12' AND "Chassis" = 'brabham bt45' AND "Year" = 1976.0;