CREATE TABLE table_77068 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Venue" TEXT, "Score" TEXT, "Result" TEXT, "Attendance" TEXT, "Record" TEXT)

What is Opponent, when Result is Loss, and when Venue is Mosaic Stadium?
SELECT "Opponent" FROM table_77068 WHERE "Result" = 'loss' AND "Venue" = 'mosaic stadium'
SELECT "Opponent" FROM "table_77068" WHERE "Result" = 'loss' AND "Venue" = 'mosaic stadium'