SELECT "Episode 4" FROM table_77047 WHERE "Star" = 'anna powierza'
Which episode 4 has a Star of anna powierza?
CREATE TABLE table_77047 (
    "Star" text,
    "Episode 2" real,
    "Episode 3" text,
    "Episode 4" text,
    "Episode 5" text,
    "Episode 6" text,
    "Episode 7" text,
    "Episode 8" text
)