user: Question: For episode number 2 what is the season viewer average?
Columns: ['Episode number', 'Season', 'Original airing', 'Total viewers', 'Audience share (average)', 'Season viewer average']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Season 1', '17 February 2008', '4.2m', '18%', '2.7m']
SQL:

assistant: SELECT "Season viewer average" FROM "Table" WHERE "Episode number" = 2.0;