CREATE TABLE table_28697 ("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)

What season number in the season has production code 210?
SELECT MIN("No. in season") FROM table_28697 WHERE "Production code" = '210'
SELECT MIN("No. in season") FROM "table_28697" WHERE "Production code" = '210'