CREATE TABLE table_17622 ("Number in series" FLOAT, "Broadcast Order" TEXT, "Title" TEXT, "Villain/s" TEXT, "U.S. Air Date" TEXT, "Production Code" TEXT)

What's the series number of the episode titled 'The Quest'?
SELECT MAX("Number in series") FROM table_17622 WHERE "Title" = 'The Quest'
SELECT MAX("Number in series") FROM "table_17622" WHERE "Title" = 'The Quest'