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

### Instruction:
What is the highest round of Ed Smith, who had a pick higher than 261 and played halfback?

### Inputs:
table_name: table, columns: ['Round', 'Pick', 'Player', 'Position', 'School/Club Team']

### Response:
SELECT MAX Round FROM table WHERE Pick < 261 AND Position = halfback AND Player = ed smith