Table: episodes_43
Columns: no
col
title
directed_by
written_by
u_s_air_date
production_code
u_s_viewers_million

Question: How many millions of viewers are listed where the writer is Matthew Okumura?
SQL: SELECT "u_s_viewers_million" FROM episodes_43 WHERE "written_by" = 'Matthew Okumura'

Question: What is the U.S air date when the title is "calling"?
SQL: SELECT "u_s_air_date" FROM episodes_43 WHERE "title" = '"Calling"'

Question: What is the U.S. air date when the U.S. viewers are 7.5 million?
SQL: SELECT "u_s_air_date" FROM episodes_43 WHERE "u_s_viewers_million" = '7.5'