CREATE TABLE table_50016 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT)

Who is the player from the United States with a score of 71-75=146?
SELECT "Player" FROM table_50016 WHERE "Country" = 'united states' AND "Score" = '71-75=146'
SELECT "Player" FROM "table_50016" WHERE "Country" = 'united states' AND "Score" = '71-75=146'