Which position has a Nationality of united states, and a Player of roger powell?
CREATE TABLE table_name_9 (
    position VARCHAR,
    nationality VARCHAR,
    player VARCHAR
)
SELECT position FROM table_name_9 WHERE nationality = "united states" AND player = "roger powell"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which position has a Nationality of united states, and a Player of roger powell? ### Input: CREATE TABLE table_name_9 (
    position VARCHAR,
    nationality VARCHAR,
    player VARCHAR
) ### Response: SELECT position FROM table_name_9 WHERE nationality = "united states" AND player = "roger powell"