Table: awards_episodes
Columns: year
award
nominee
episode
result

Question: What award has a year earlier than 2004 and the episode shows —?
SQL: SELECT "award" FROM awards_episodes WHERE "year" < 2004 AND "episode" = '—'

Question: What award has a year later than 2004, and the episode was "The Road to Damuscus"?
SQL: SELECT "award" FROM awards_episodes WHERE "year" > 2004 AND "episode" = '"the road to damuscus"'

Question: What year has a Nominee of —, and a Result of nominated?
SQL: SELECT AVG("year") FROM awards_episodes WHERE "nominee" = '—' AND "result" = 'nominated'