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

### Instruction:
What is the highest placing for  marie mcneil / robert mccall, with less than 168.58?

### Inputs:
table_name: table, columns: ['Rank', 'Name', 'Nation', 'Points', 'Placings']

### Response:
SELECT MAX Placings FROM table WHERE Name = marie mcneil / robert mccall AND Points < 168.58