CREATE TABLE table_20860 ("Series #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB)

What season was the episode titled 'Harlequin' in?
SELECT MAX("Season #") FROM table_20860 WHERE "Title" = 'Harlequin'
SELECT MAX("Season #") FROM "table_20860" WHERE "Title" = 'Harlequin'