Table: tv_episode_data_80
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
prod_code
viewers_millions

Question: Name the production code for 4.92 million viewers
SQL: SELECT "prod_code" FROM tv_episode_data_80 WHERE "viewers_millions" = '4.92'

Question: Name the least number in season for jessica ball
SQL: SELECT MIN("no_in_season") FROM tv_episode_data_80 WHERE "written_by" = 'Jessica Ball'