CREATE TABLE table_57183 ("Round" FLOAT, "Pick" FLOAT, "Player" CLOB, "Pos." CLOB, "Nationality" CLOB, "Team" CLOB, "School/club team" CLOB)

How many rounds have School/club team of pan american?
SELECT SUM("Round") FROM table_57183 WHERE "School/club team" = 'pan american'
SELECT SUM("Round") FROM "table_57183" WHERE "School/club team" = 'pan american'