CREATE TABLE table_3245 ("Round" FLOAT, "Circuit" TEXT, "Date" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Winning Driver" TEXT, "Winning Team" TEXT)

How many Pole Positions were there on 30 March?
SELECT COUNT("Pole Position") FROM table_3245 WHERE "Date" = '30 March'
SELECT COUNT("Pole Position") FROM "table_3245" WHERE "Date" = '30 March'