instruction: what is the maximum total cost of the hospital, which includes the laboratory total protein, ascites test until 2104?
response: SELECT MAX(t1.c1) FROM (SELECT SUM(cost.cost) AS c1 FROM cost WHERE cost.hadm_id IN (SELECT labevents.hadm_id FROM labevents WHERE labevents.itemid IN (SELECT d_labitems.itemid FROM d_labitems WHERE d_labitems.label = 'total protein, ascites')) AND STRFTIME('%y', cost.chargetime) <= '2104' GROUP BY cost.hadm_id) AS t1