CREATE TABLE table_67388 ("Position" TEXT, "Number" FLOAT, "Name" TEXT, "Class" TEXT, "Injury  ( Status ) " TEXT, "Last Update" TEXT)

for the name of jamar jackson what is the total of Number?
SELECT COUNT("Number") FROM table_67388 WHERE "Name" = 'jamar jackson'
SELECT COUNT("Number") FROM "table_67388" WHERE "Name" = 'jamar jackson'