CREATE TABLE table_37243 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB)

On what Date is the Minnesota Vikings the Opponent?
SELECT "Date" FROM table_37243 WHERE "Opponent" = 'minnesota vikings'
SELECT "Date" FROM "table_37243" WHERE "Opponent" = 'minnesota vikings'