CREATE TABLE table_38108 ("Rank" FLOAT, "Player" TEXT, "Team" TEXT, "Year" FLOAT, "BB/SO" FLOAT)

What was the rank of tris speaker when BB/SO was 7?
SELECT "Rank" FROM table_38108 WHERE "Player" = 'tris speaker' AND "BB/SO" = '7'
SELECT "Rank" FROM "table_38108" WHERE "BB/SO" = '7' AND "Player" = 'tris speaker'