CREATE TABLE table_25604014_6 (no_in_series VARCHAR(255), directed_by VARCHAR(255), no_in_season VARCHAR(255))
What are the number in series of the pieces directed by Win Phelps and which number in season is 11?
    
SQL: SELECT no_in_series FROM table_25604014_6 WHERE directed_by = "Win Phelps" AND no_in_season = 11