SELECT
c_last_name,
c_first_name,
c_salutation,
c_preferred_cust_flag,
ss_ticket_number,
cnt
FROM
(SELECT
ss_ticket_number,
ss_customer_sk,
count(*) cnt
FROM store_sales, date_dim, store, household_demographics
WHERE store_sales.ss_sold_date_sk = date_dim.d_date_sk
AND store_sales.ss_store_sk = store.s_store_sk
AND store_sales.ss_hdemo_sk = household_demographics.hd_demo_sk
AND (date_dim.d_dom BETWEEN 1 AND 3 OR date_dim.d_dom BETWEEN 25 AND 28)
AND (household_demographics.hd_buy_potential = '>10000' OR
household_demographics.hd_buy_potential = 'unknown')
AND household_demographics.hd_vehicle_count > 0
AND (CASE WHEN household_demographics.hd_vehicle_count > 0
THEN household_demographics.hd_dep_count / household_demographics.hd_vehicle_count
ELSE NULL
END) > 1.2
AND date_dim.d_year IN (1999, 1999 + 1, 1999 + 2)
AND store.s_county IN
('Williamson County', 'Williamson County', 'Williamson County', 'Williamson County',
'Williamson County', 'Williamson County', 'Williamson County', 'Williamson County')
GROUP BY ss_ticket_number, ss_customer_sk) dn, customer
WHERE ss_customer_sk = c_customer_sk
AND cnt BETWEEN 15 AND 20
ORDER BY c_last_name, c_first_name, c_salutation, c_preferred_cust_flag DESC