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

### Instruction:
How many chapters did Elmer Clifton direct?

### Inputs:
table_name: table, columns: ['Number', 'Serial Title', 'Year', 'Chapters', 'Genre', 'Director', 'Cast']

### Response:
SELECT COUNT Chapters FROM table WHERE Director = elmer clifton