Question: How many people directed "The One with Rachel's Dream"?
SQL: SELECT COUNT("Directed by") FROM "1-27755040-1" WHERE "Title" = '"The One with Rachel''s Dream"';

Question: How many episodes in the season had production code of 175255?
SQL: SELECT COUNT("No in season") FROM "1-27755040-1" WHERE "Production code" = 175255.0;

Question: What episode number in the series is "The One with the Blind Dates"?
SQL: SELECT MAX("No in series") FROM "1-27755040-1" WHERE "Title" = '"The One with the Blind Dates"';