CREATE TABLE table_17797 ("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)

When was the Super B capacity reached when the number of truck loads north was 7735?
SELECT "Super B Capacity Reached [ citation needed ]" FROM table_17797 WHERE "Number of Truck Loads North" = '7735'
SELECT "Super B Capacity Reached [ citation needed ]" FROM "table_17797" WHERE "Number of Truck Loads North" = '7735'