Table: episodes_table_54
Columns: no_in_series
title
directed_by
written_by
u_s_viewers_millions
original_u_s_air_date
prod_code

Question: How many episodes did Eve Weston write?
SQL: SELECT COUNT("no_in_series") FROM episodes_table_54 WHERE "written_by" = 'Eve Weston'

Question: How many millions of US viewers watched the episode written by Jack Sanderson?
SQL: SELECT "u_s_viewers_millions" FROM episodes_table_54 WHERE "written_by" = 'Jack Sanderson'