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

### Instruction:
What is the position of the player who is from the United States and has 30 minutes?

### Inputs:
table_name: table, columns: ['Name', 'Nationality', 'Position', 'Appearances', 'Starts', 'Minutes', 'Goals']

### Response:
SELECT Position FROM table WHERE Nationality = United States AND Minutes = 30