SELECT
    SUM(l_extendedprice * l_discount) AS revenue
FROM
    LINEITEM
WHERE
    l_shipdate >= DATE '1994-01-01'
    AND l_shipdate < DATE '1994-01-01' + INTERVAL '1' YEAR
    AND l_discount BETWEEN .06 - 0.01 AND .06 + 0.01
    AND l_quantity < 24;