Question: What is the rank for the episode that premiered on September 12, 1979?
SQL: SELECT "Rank" FROM "2-174284-2" WHERE "Premiere" = 'September 12, 1979';

Question: What was the date of the finale for the season that premiered on September 22, 1976?
SQL: SELECT "Finale" FROM "2-174284-2" WHERE "Premiere" = 'September 22, 1976';

Question: What is the rank for the episode that premiered on September 13, 1978?
SQL: SELECT "Rank" FROM "2-174284-2" WHERE "Premiere" = 'September 13, 1978';

Question: What was the date of the finale for Season 3?
SQL: SELECT "Finale" FROM "2-174284-2" WHERE "Season" = 3.0;

Question: What was the date of the premiere that had a 20.9 rating?
SQL: SELECT "Premiere" FROM "2-174284-2" WHERE "Rating" = '20.9';