CREATE TABLE table_3989 ("No. in series" TEXT, "No. in season" TEXT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

What episode number in the series is 'the drum major'?
SELECT "No. in series" FROM table_3989 WHERE "Title" = 'The Drum Major'
SELECT "No. in series" FROM "table_3989" WHERE "Title" = 'The Drum Major'