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

### Instruction:
What is the highest episode number written by Harry Winkler?

### Inputs:
table_name: table, columns: ['Episode #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original airdate', 'Production code #']

### Response:
SELECT MAX Episode # FROM table WHERE Written by = Harry Winkler