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

### Instruction:
What is the most number of losses for teams with 5 wins and an against value under 1607?

### Inputs:
table_name: table, columns: ['NTFA Div 1', 'Wins', 'Byes', 'Losses', 'Draws', 'Against']

### Response:
SELECT MAX Losses FROM table WHERE Wins = 5 AND Against < 1607