CREATE TABLE table_72862 ("Fin. Pos" FLOAT, "Car No." FLOAT, "Driver" TEXT, "Team" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT, "Laps Led" FLOAT, "Points" TEXT)

Name the total number of grid for 30
SELECT COUNT("Grid") FROM table_72862 WHERE "Points" = '30'
SELECT COUNT("Grid") FROM "table_72862" WHERE "Points" = '30'