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

### Instruction:
What kind of Chassis supports a Maserati Straight-6 engine with Points greater than 0 and built in the year 1955?

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

### Response:
SELECT Chassis FROM table WHERE Engine = maserati straight-6 AND Points > 0 AND Year = 1955