Question: How many viewers tuned in for season 2?
SQL: SELECT "U.S. viewers (million)" FROM "1-22347090-4" WHERE "No. in season" = 2.0;

Question: Who directed the episode that has 3X6752 listed as the production code?
SQL: SELECT "Directed by" FROM "1-22347090-4" WHERE "Production code" = '3X6752';

Question: Which series number had 1.98 million viewers?
SQL: SELECT MIN("No. in series") FROM "1-22347090-4" WHERE "U.S. viewers (million)" = '1.98';