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

### Instruction:
What was the lowest pick number for a united states player picked before round 7?

### Inputs:
table_name: table, columns: ['Round', 'Pick', 'Player', 'Nationality', 'College/junior/club team']

### Response:
SELECT MIN Pick FROM table WHERE Round > 7 AND Nationality = united states