CREATE TABLE table_50258 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT, "Money  (  $  ) " FLOAT)

Which money has a Country of united states, and a Place of t6?
SELECT AVG("Money ( $ )") FROM table_50258 WHERE "Country" = 'united states' AND "Place" = 't6'
SELECT AVG("Money ( $ )") FROM "table_50258" WHERE "Country" = 'united states' AND "Place" = 't6'