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

### Instruction:
Can you tell me the total number of Zone than has the Station users 2007-08 larger than 243,800, and the Year opened of 1855?

### Inputs:
table_name: table, columns: ['Station', 'Year opened', 'Metropolitan borough [c ]', 'Zone', 'Station users 2006–07', 'Station users 2007–08']

### Response:
SELECT COUNT Zone FROM table WHERE Station users 2007–08 > 243,800 AND Year opened = 1855