Table: tv_episode_data_125
Columns: no_in_series
title
directed_by
written_by
original_air_date
u_s_viewers_millions

Question: How many millions of U.S viewers watched the episode titled "Mended Hearts"?
SQL: SELECT "u_s_viewers_millions" FROM tv_episode_data_125 WHERE "title" = '"Mended Hearts"'

Question: How many millions of U.S. viewers watched the episode titled "Lost Boys"?
SQL: SELECT "u_s_viewers_millions" FROM tv_episode_data_125 WHERE "title" = '"Lost Boys"'

Question: What is the original air date of the episode that was written by Rama Stagner? 
SQL: SELECT "original_air_date" FROM tv_episode_data_125 WHERE "written_by" = 'Rama Stagner'