CREATE TABLE table_32144 ("Lift Name" CLOB, "Type" CLOB, "Length" FLOAT, "Vertical" FLOAT, "Cap./Hour" FLOAT)

Tell me the sum of cap/hor for double chair and vertical less than 479
SELECT SUM("Cap./Hour") FROM table_32144 WHERE "Type" = 'double chair' AND "Vertical" < '479'
SELECT SUM("Cap./Hour") FROM "table_32144" WHERE "Type" = 'double chair' AND "Vertical" < '479'