CREATE TABLE table_79269 ("Driver" TEXT, "Navigator" TEXT, "Vehicle" TEXT, "Class" TEXT, "Capacity" FLOAT, "Total Time" TEXT, "Margin" TEXT)

Which vehicle has a class 6c3g?
SELECT "Vehicle" FROM table_79269 WHERE "Class" = '6c3g'
SELECT "Vehicle" FROM "table_79269" WHERE "Class" = '6c3g'