CREATE TABLE table_32010 ("Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning drivers" TEXT, "Winning constructor" TEXT, "Report" TEXT)

What date was the race won by Louis Chiron?
SELECT "Date" FROM table_32010 WHERE "Winning drivers" = 'louis chiron'
SELECT "Date" FROM "table_32010" WHERE "Winning drivers" = 'louis chiron'