What is the previous team of the United States player who had 2 NBA years and played the F position?
CREATE TABLE table_43006 (
    "Pos." text,
    "Nationality" text,
    "Previous team" text,
    "NBA years [a ]" real,
    "Career with the franchise [b ]" text
)
SELECT "Previous team" FROM table_43006 WHERE "Nationality" = 'united states' AND "NBA years [a ]" = '2' AND "Pos." = 'f'
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: What is the previous team of the United States player who had 2 NBA years and played the F position? ### Input: CREATE TABLE table_43006 (
    "Pos." text,
    "Nationality" text,
    "Previous team" text,
    "NBA years [a ]" real,
    "Career with the franchise [b ]" text
) ### Response: SELECT "Previous team" FROM table_43006 WHERE "Nationality" = 'united states' AND "NBA years [a ]" = '2' AND "Pos." = 'f'