CREATE TABLE table_12183 ("Draft" TEXT, "Round" TEXT, "Pick" TEXT, "Nationality" TEXT, "Position" TEXT, "College/High School/Club" TEXT)

What was the pick number for the person from the United States who as drafted to the SF position from North Carolina?
SELECT "Pick" FROM table_12183 WHERE "Nationality" = 'united states' AND "College/High School/Club" = 'north carolina' AND "Position" = 'sf'
SELECT "Pick" FROM "table_12183" WHERE "College/High School/Club" = 'north carolina' AND "Nationality" = 'united states' AND "Position" = 'sf'