Table: episode_data_24
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_millions

Question: On what air date were there 2.15 million u.s. viewers?
SQL: SELECT "original_air_date" FROM episode_data_24 WHERE "u_s_viewers_millions" = '2.15'

Question: How many u.s. views were there for the epidosde titled, "now you lift your eyes to the sun"?
SQL: SELECT "u_s_viewers_millions" FROM episode_data_24 WHERE "title" = '"Now You Lift Your Eyes to the Sun"'

Question: Who was the writer for the episode with 2.15 million u.s.viewers?
SQL: SELECT "written_by" FROM episode_data_24 WHERE "u_s_viewers_millions" = '2.15'