CREATE TABLE table_38856 ("System" CLOB, "Owner" CLOB, "Quantity" FLOAT, "Delivery" CLOB, "Length" CLOB, "Gauge" CLOB, "Operation" CLOB, "Seats" FLOAT, "Standing" FLOAT)

How many seats have a quantity over 45?
SELECT SUM("Seats") FROM table_38856 WHERE "Quantity" > '45'
SELECT SUM("Seats") FROM "table_38856" WHERE "Quantity" > '45'