SELECT
    O_ORDERPRIORITY,
    COUNT(*) AS ORDER_COUNT
FROM
    ORDERS
WHERE
    O_TOTALPRICE :varies
    AND EXISTS (
        SELECT
            *
        FROM
            LINEITEM
        WHERE
            L_ORDERKEY = ORDERS.O_ORDERKEY
            AND L_EXTENDEDPRICE :varies
    )
GROUP BY
    O_ORDERPRIORITY
ORDER BY
    O_ORDERPRIORITY