Question: What is the Wednesday when day 3 is Math?
SQL: SELECT "Wednesday" FROM "2-17449461-4" WHERE "Day 3" = 'Math';

Question: What is the day 1 when the day 3 is Math?
SQL: SELECT "Day 1" FROM "2-17449461-4" WHERE "Day 3" = 'Math';

Question: What is the day 1 when day 5 is Math?
SQL: SELECT "Day 1" FROM "2-17449461-4" WHERE "Day 5" = 'Math';

Question: What is the day 3 when day 4 is Fr.?
SQL: SELECT "Day 3" FROM "2-17449461-4" WHERE "Day 4" = 'Fr.';