Question: Who wrote the episode that has a production code 3X7557?
SQL: SELECT "Written by" FROM "1-22347090-6" WHERE "Production code" = '3X7557';

Question: How many directors are there for the episode that had 1.59 million U.S. viewers?
SQL: SELECT COUNT("Directed by") FROM "1-22347090-6" WHERE "U.S. viewers (million)" = '1.59';

Question: What is the production code for the episode that had 1.32 million U.S. viewers?
SQL: SELECT "Production code" FROM "1-22347090-6" WHERE "U.S. viewers (million)" = '1.32';

Question: What episode number in the series had a production code of 3X7554?
SQL: SELECT MIN("No. in series") FROM "1-22347090-6" WHERE "Production code" = '3X7554';

Question: What is the name of episode number 41 in the series?
SQL: SELECT "Title" FROM "1-22347090-6" WHERE "No. in series" = 41.0;