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

### Instruction:
What is the highest Rank of Karen Pickering when she had a time of less than 55.71?

### Inputs:
table_name: table, columns: ['Rank', 'Lane', 'Name', 'Nationality', 'Time']

### Response:
SELECT MAX Rank FROM table WHERE Name = karen pickering AND Time < 55.71