CREATE TABLE table_19327 ("Episode no." FLOAT, "Title" CLOB, "Director" CLOB, "Writer ( s ) " CLOB, "Original Air Date  ( ATV ) " CLOB, "Production no." FLOAT)

What was the original air date (atv) of episode 1?
SELECT "Original Air Date (ATV)" FROM table_19327 WHERE "Episode no." = '1'
SELECT "Original Air Date (ATV)" FROM "table_19327" WHERE "Episode no." = '1'