CREATE TABLE table_43536 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

What date is aston villa away?
SELECT "Date" FROM table_43536 WHERE "Away team" = 'aston villa'
SELECT "Date" FROM "table_43536" WHERE "Away team" = 'aston villa'