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

### Instruction:
What is the average finish that has 24 as the start, with a year after 1987?

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

### Response:
SELECT AVG Finish FROM table WHERE Start = 24 AND Year > 1987