user: Question: What is the day 3 when day 4 is Fr.?
Columns: ['Day 1', 'Day 2', 'Day 3', 'Day 4', 'Day 5', 'Wednesday']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Math', 'Fr.', 'Math', 'Math', 'Math', '9:00–10:08']
SQL:

assistant: SELECT "Day 3" FROM "Table" WHERE "Day 4" = 'Fr.';