Table: my_hero_episodes
Columns: episode
production_count
original_airdate
prod_code
title
viewing_figures_millions

Question: How many episodes were numbered 5?
SQL: SELECT COUNT("production_count") FROM my_hero_episodes WHERE "episode" = 5

Question: What are the original air date(s) for episodes with production code ipea343l?
SQL: SELECT "original_airdate" FROM my_hero_episodes WHERE "prod_code" = 'IPEA343L'

Question: What are the original air date(s) for episodes with production code ipea345a?
SQL: SELECT "original_airdate" FROM my_hero_episodes WHERE "prod_code" = 'IPEA345A'

Question: What are the original air date(s) for episodes with 8.63 million viewers?
SQL: SELECT "original_airdate" FROM my_hero_episodes WHERE "viewing_figures_millions" = '8.63'