CREATE TABLE table_17795 ("Year" FLOAT, "Road Opened" TEXT, "Road Closed" TEXT, "Freight Carried s Tonne" FLOAT, "Super B Capacity Reached [ citation needed ]" TEXT, "Number of Truck Loads North" FLOAT)

What is the most number of truck loads north?
SELECT MAX("Number of Truck Loads North") FROM table_17795
SELECT MAX("Number of Truck Loads North") FROM "table_17795"