Question: What is the most minimal Final year that has a North or east end of Covington?
SQL: SELECT MIN("Final year") FROM "2-16304749-2" WHERE "North or east terminus" = 'Covington';

Question: What is the total of Final year that has a Notes of Replaced by I-96?
SQL: SELECT SUM("Final year") FROM "2-16304749-2" WHERE "Notes" = 'Replaced by I-96';

Question: What is the most minimal Final year that has a Notes of replaced by i-75 and m-25, and a First year larger than 1926?
SQL: SELECT MIN("Final year") FROM "2-16304749-2" WHERE "Notes" = 'replaced by i-75 and m-25' AND "First year" > 1926.0;

Question: What is the average First year that has a Notes of replaced by us 12 when i-94 replaced us 12, and a Final year larger than 1961?
SQL: SELECT AVG("First year") FROM "2-16304749-2" WHERE "Notes" = 'replaced by us 12 when i-94 replaced us 12' AND "Final year" > 1961.0;