CREATE TABLE table_9364 ("Date" TEXT, "Series" TEXT, "Circuit" TEXT, "City / State" TEXT, "Winner" TEXT, "Team" TEXT)

What is Date, when Series is Amscar Round 3?
SELECT "Date" FROM table_9364 WHERE "Series" = 'amscar round 3'
SELECT "Date" FROM "table_9364" WHERE "Series" = 'amscar round 3'