CREATE TABLE table_name_12 (week_1 VARCHAR2, week_2 VARCHAR2)

Who was the girl on week 1 that preceded week 2's Kamila Sulewska?
SELECT week_1 FROM table_name_12 WHERE week_2 = "kamila sulewska"
SELECT "week_1" FROM "table_name_12" WHERE "kamila sulewska" = "week_2"