user: Question: Which episode 4 has a Star of Anna Powierza?
Columns: ['Star', 'Episode 2', 'Episode 3', 'Episode 4', 'Episode 5', 'Episode 6', 'Episode 7', 'Episode 8']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Kamila Porczyk', 6.8, '6.5', '7.3', '7.5', '7.8', '8.5 + 8.5 = 8.5', '6.8 + 8.3 + 8.5 = 7.9']
SQL:

assistant: SELECT "Episode 4" FROM "Table" WHERE "Star" = 'Anna Powierza';