Table: tv_episode_data_16
Columns: no_in_series
title
directed_by
written_by
original_air_date
u_s_viewers_in_millions

Question: How many directed by have 2.80 as u.s. viewers  (in millions)?
SQL: SELECT COUNT("directed_by") FROM tv_episode_data_16 WHERE "u_s_viewers_in_millions" = '2.80'

Question: What is the title when 2.50 is u.s. viewers (in millions)? 
SQL: SELECT "title" FROM tv_episode_data_16 WHERE "u_s_viewers_in_millions" = '2.50'

Question: How many u.s. viewers  (in millions) have "dare devil" as the title?
SQL: SELECT "u_s_viewers_in_millions" FROM tv_episode_data_16 WHERE "title" = '"Dare Devil"'

Question: What is the original air date when "poison ivy" is the title?
SQL: SELECT "original_air_date" FROM tv_episode_data_16 WHERE "title" = '"Poison Ivy"'