CREATE TABLE table_16746 ("Rnd" FLOAT, "Race" TEXT, "Date" TEXT, "Location" TEXT, "Pole Position" TEXT, "Fastest Lap" TEXT, "Race Winner" TEXT, "Constructor" TEXT, "Report" TEXT)

what is the date where the constructor is ferrari and the location is anderstorp?
SELECT "Date" FROM table_16746 WHERE "Constructor" = 'Ferrari' AND "Location" = 'Anderstorp'
SELECT "Date" FROM "table_16746" WHERE "Constructor" = 'Ferrari' AND "Location" = 'Anderstorp'