CREATE TABLE table_21351 ("Date" TEXT, "Opponent" TEXT, "Venue" TEXT, "Result" TEXT, "Attendance" FLOAT, "Competition" TEXT, "Man of the Match" TEXT)

On the 19th, where was the venue?
SELECT "Venue" FROM table_21351 WHERE "Date" = '19th'
SELECT "Venue" FROM "table_21351" WHERE "Date" = '19th'