CREATE TABLE table_24923 ("Round" FLOAT, "Circuit" CLOB, "Date" CLOB, "Pole Position" CLOB, "Fastest Lap" CLOB, "Winning Drivers" CLOB, "Winning Team" CLOB)

When was the circuit Donington Park?
SELECT "Date" FROM table_24923 WHERE "Circuit" = 'Donington Park'
SELECT "Date" FROM "table_24923" WHERE "Circuit" = 'Donington Park'