user: Question: What is the largest ethnic group in 2002 when the population is 200?
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: ['Kovačica', 'Ковачица (Slovak: Kovačica)', 'town', 6259.0, 'Slovaks', 'Protestantism']
SQL:

assistant: SELECT "Largest ethnic group (2002)" FROM "Table" WHERE "Population (2011)" = 200.0;