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

### Instruction:
What is the highest grid value with constructor Mclaren - Mercedes, driver David Coulthard, and has fewer than 66 laps?

### Inputs:
table_name: table, columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']

### Response:
SELECT MAX Grid FROM table WHERE Constructor = mclaren - mercedes AND Driver = david coulthard AND Laps < 66