Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Name the sum of points for chassis of maserati 250f and entrant of officine alfieri maserati

### Inputs:
table_name: table, columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']

### Response:
SELECT SUM Points FROM table WHERE Chassis = maserati 250f AND Entrant = officine alfieri maserati