CREATE TABLE table_73977 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "U.S. viewers  ( millions ) " CLOB)

What was the first episode in the season directed by nelson mccormick?
SELECT MIN("No. in season") FROM table_73977 WHERE "Directed by" = 'Nelson McCormick'
SELECT MIN("No. in season") FROM "table_73977" WHERE "Directed by" = 'Nelson McCormick'