Question: What is the original air date for the production code of 1.12?
SQL: SELECT "Original air date" FROM "1-2226817-2" WHERE "Production code" = '1.12';

Question: How many number of series have a production code of 1.11?
SQL: SELECT "No. in series" FROM "1-2226817-2" WHERE "Production code" = '1.11';

Question: How many number of series have the production code of 1.11?
SQL: SELECT MAX("No. in series") FROM "1-2226817-2" WHERE "Production code" = '1.11';

Question: Who wrote when the original airdate is April 5, 1987?
SQL: SELECT "Written by" FROM "1-2226817-2" WHERE "Original air date" = 'April 5, 1987';

Question: Who directed the title "Peggy Sue Got Work"?
SQL: SELECT "Directed by" FROM "1-2226817-2" WHERE "Title" = '"Peggy Sue Got Work"';

Question: Who directed when the production code is 1.02?
SQL: SELECT "Directed by" FROM "1-2226817-2" WHERE "Production code" = '1.02';