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

### Instruction:
What was the overall draft pick of the player who was a db and attended college in iowa?

### Inputs:
table_name: table, columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']

### Response:
SELECT Overall FROM table WHERE College = iowa AND Position = db