CREATE TABLE table_30781 ("Player" CLOB, "Matches" FLOAT, "Overs" CLOB, "Wickets" FLOAT, "Average" CLOB, "Economy" CLOB, "BBI" CLOB, "4wi" FLOAT)

What is the economy of the player with BBI of 3/33?
SELECT "Economy" FROM table_30781 WHERE "BBI" = '3/33'
SELECT "Economy" FROM "table_30781" WHERE "BBI" = '3/33'