CREATE TABLE table_23053 ("Series #" FLOAT, "Episode #" FLOAT, "Title" CLOB, "Written by" CLOB, "Directed by" CLOB, "Viewers" FLOAT, "Original airdate" CLOB)

What was the original air date for the episode Calle, The Transit of Venus?
SELECT "Original airdate" FROM table_23053 WHERE "Title" = 'The Transit of Venus'
SELECT "Original airdate" FROM "table_23053" WHERE "Title" = 'The Transit of Venus'