CREATE TABLE table_77121 ("Day 1" TEXT, "Day 2" TEXT, "Day 3" TEXT, "Day 4" TEXT, "Day 5" TEXT, "Wednesday" TEXT)

What is the day 3 when day 4 is fr.?
SELECT "Day 3" FROM table_77121 WHERE "Day 4" = 'fr.'
SELECT "Day 3" FROM "table_77121" WHERE "Day 4" = 'fr.'