Question: What is the largest series number? 
SQL: SELECT MAX("Series #") FROM "1-19517621-4";

Question: What is the latest episode number with the title of Jerusalem? 
SQL: SELECT MAX("Episode #") FROM "1-19517621-4" WHERE "Title" = 'Jerusalem';

Question: What was the original air date of the episode written by Michelle Offen?
SQL: SELECT "Original airdate" FROM "1-19517621-4" WHERE "Written by" = 'Michelle Offen';

Question: What is the title of the episode written by Vanessa Bates? 
SQL: SELECT "Title" FROM "1-19517621-4" WHERE "Written by" = 'Vanessa Bates';

Question: What was the original air date for the episode Calle, The Transit of Venus? 
SQL: SELECT "Original airdate" FROM "1-19517621-4" WHERE "Title" = 'The Transit of Venus';