user: Question: What was the largest ethnic group in 2002 of the settlement with the cyrillic name of Ватин?
Columns: ['Settlement', 'Cyrillic Name Other Names', 'Type', 'Population (2011)', 'Largest ethnic group (2002)', 'Dominant religion (2002)']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Vršac', 'Вршац', 'town', 36040.0, 'Serbs', 'Orthodox Christianity']
SQL:

assistant: SELECT "Largest ethnic group (2002)" FROM "Table" WHERE "Cyrillic Name Other Names" = 'Ватин';