CREATE TABLE table_48421 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

On which date after week 11 was the opponent the arizona cardinals?
SELECT "Date" FROM table_48421 WHERE "Week" > '11' AND "Opponent" = 'arizona cardinals'
SELECT "Date" FROM "table_48421" WHERE "Opponent" = 'arizona cardinals' AND "Week" > '11'