CREATE TABLE table_30972 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( millions ) " CLOB)

How many episodes are 122 in the series?
SELECT COUNT("No. in season") FROM table_30972 WHERE "No. in series" = '122'
SELECT COUNT("No. in season") FROM "table_30972" WHERE "No. in series" = '122'