Context: CREATE TABLE table_2562572_27 (largest_ethnic_group__2002_ VARCHAR, cyrillic_name_other_names VARCHAR)
Question: What are the largest ethnic groups where the cyrillic name and other names is пачир (hungarian: pacsér)?
Answer: SELECT largest_ethnic_group__2002_ FROM table_2562572_27 WHERE cyrillic_name_other_names = "Пачир (Hungarian: Pacsér)"