Table: episodes_snippets
Columns: col
original_title
directed_by
written_by
original_airdate
production_code

Question: What was the original title of 3.19?
SQL: SELECT "original_title" FROM episodes_snippets WHERE "production_code" = '3.19'

Question: What was the production code for "down to earth"?
SQL: SELECT "production_code" FROM episodes_snippets WHERE "original_title" = '"Down to Earth"'