user: Question: Who is the week 12 for the week 4 of Gerard Ewelina?
Columns: ['Week 2', 'Week 4', 'Week 6', 'Week 11', 'Week 12', 'Week 13', 'Week 15']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Kasia L Ewelina', 'Ewelina Kasia L', 'Magda Agata', 'Kasia L Kaśka', 'Kasia L Zofia', 'Mariusz Marco', 'Izabella Mariusz']
SQL:

assistant: SELECT "Week 12" FROM "Table" WHERE "Week 4" = 'Gerard Ewelina';