Table: episodes_24
Columns: no
col
title
directed_by
written_by
u_s_air_date
production_code
u_s_viewers_million

Question: What's the number of the episode seen by 2.24 million people in the US?
SQL: SELECT "col" FROM episodes_24 WHERE "u_s_viewers_million" = '2.24'

Question: How many millions of people in the US saw the episode titled "Rabid"?
SQL: SELECT "u_s_viewers_million" FROM episodes_24 WHERE "title" = '"Rabid"'

Question: How many different episode numbers are there for episodes directed by Wayne Rose?
SQL: SELECT COUNT("col") FROM episodes_24 WHERE "directed_by" = 'Wayne Rose'

Question: How many millions of people in the US saw the episode titled "Kandor"?
SQL: SELECT "u_s_viewers_million" FROM episodes_24 WHERE "title" = '"Kandor"'