Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Settlement | Cyrillic Name | Type | Population (2011) | Largest ethnic group (2002) | Dominant religion (2002) |
| --- | --- | --- | --- | --- | --- |
| Pećinci | Пећинци | village | 2581.0 | Serbs | Orthodox Christianity |
| Ašanja | Ашања | village | 1365.0 | Serbs | Orthodox Christianity |
| Brestač | Брестач | village | 934.0 | Serbs | Orthodox Christianity |
| Deč | Деч | village | 1491.0 | Serbs | Orthodox Christianity |
| Donji Tovarnik | Доњи Товарник | village | 973.0 | Serbs | Orthodox Christianity |
| Karlovčić | Карловчић | village | 1078.0 | Serbs | Orthodox Christianity |
| Kupinovo | Купиново | village | 1866.0 | Serbs | Orthodox Christianity |
| Obrež | Обреж | village | 1308.0 | Serbs | Orthodox Christianity |
| Ogar | Огар | village | 1040.0 | Serbs | Orthodox Christianity |
| Popinci | Попинци | village | 1166.0 | Serbs | Orthodox Christianity |
| Prhovo | Прхово | village | 784.0 | Serbs | Orthodox Christianity |
| Sibač | Сибач | village | 468.0 | Serbs | Orthodox Christianity |
| Sremski Mihaljevci | Сремски Михаљевци | village | 769.0 | Serbs | Orthodox Christianity |
| Subotište | Суботиште | village | 844.0 | Serbs | Orthodox Christianity |
Question:
What is the largest ethnic group (2002) when cyrillic name is брестач?
Answer:
Serbs