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

### Instruction:
If the intranet entry is Yes, what is the extranet entry for Microsoft Exchange server?

### Inputs:
table_name: table, columns: ['Name', 'Public', 'Intranet', 'Extranet', 'Personal Sites', 'Team Sites', 'Developer']

### Response:
SELECT Extranet FROM table WHERE Intranet = yes AND Name = microsoft exchange server