What is the day 3 when day 4 is fr.?
CREATE TABLE table_77121 (
    "Day 1" text,
    "Day 2" text,
    "Day 3" text,
    "Day 4" text,
    "Day 5" text,
    "Wednesday" text
)
SELECT "Day 3" FROM table_77121 WHERE "Day 4" = 'fr.'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the day 3 when day 4 is fr.? ### Input: CREATE TABLE table_77121 (
    "Day 1" text,
    "Day 2" text,
    "Day 3" text,
    "Day 4" text,
    "Day 5" text,
    "Wednesday" text
) ### Response: SELECT "Day 3" FROM table_77121 WHERE "Day 4" = 'fr.'