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

### Instruction:
What is Pos., when From Club is "Chelsea", and when Date is "30 July 2008"?

### Inputs:
table_name: table, columns: ['Date', 'Pos.', 'Player', 'From club', 'Transfer fee']

### Response:
SELECT Pos. FROM table WHERE From club = chelsea AND Date = 30 july 2008