Table: holby_city_episodes
Columns: episode
series
title
director
writer
original_airdate
viewers_in_millions

Question: What is the name of the episode that had 8.51 million viewers?
SQL: SELECT "title" FROM holby_city_episodes WHERE "viewers_in_millions" = '8.51'

Question: What date did "getting even" originally air?
SQL: SELECT "original_airdate" FROM holby_city_episodes WHERE "title" = '"Getting Even"'

Question: Who wrote episode 26 in the series?
SQL: SELECT "writer" FROM holby_city_episodes WHERE "episode" = 26