CREATE TABLE table_34268 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Venue" CLOB, "Attendance" CLOB)

When has a Result of l 27-7 and an Opponent of at minnesota vikings?
SELECT "Date" FROM table_34268 WHERE "Result" = 'l 27-7' AND "Opponent" = 'at minnesota vikings'
SELECT "Date" FROM "table_34268" WHERE "Opponent" = 'at minnesota vikings' AND "Result" = 'l 27-7'