CREATE TABLE table_37274 ("Rank" FLOAT, "Name" CLOB, "Nation" CLOB, "Points" FLOAT, "Places" FLOAT)

What is the Places amount of the United States Ranking 8?
SELECT AVG("Places") FROM table_37274 WHERE "Nation" = 'united states' AND "Rank" = '8'
SELECT AVG("Places") FROM "table_37274" WHERE "Nation" = 'united states' AND "Rank" = '8'