Question: How many episodes have the title "The World of Who"?
SQL: SELECT COUNT("Episode #") FROM "1-1656361-1" WHERE "Episode title" = '"The World of Who"';

Question: What episode number is the episode "Bringing Back the Doctor"?
SQL: SELECT "Episode #" FROM "1-1656361-1" WHERE "Episode title" = '"Bringing Back the Doctor"';

Question: What is the episode number for the episode "A New Dimension"?
SQL: SELECT "Episode #" FROM "1-1656361-1" WHERE "Episode title" = '"A New Dimension"';