Question: what's the minimum production code written by Jay Sommers & Dick Chevillat and Al Schwartz
SQL: SELECT MIN("Production code") FROM "1-12226390-3" WHERE "Written by" = 'Jay Sommers & Dick Chevillat and Al Schwartz';

Question: what's the total number of title for production code 39
SQL: SELECT COUNT("Title") FROM "1-12226390-3" WHERE "Production code" = 39.0;