user: Question: What is the main presenter of Bulgaria?
Columns: ['Region/country', 'Local title', 'Network', 'Winners', 'Main presenters']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Arab world', 'الوادي Al Wadi (Celebrity Format)', 'LBC', 'Season 1, 2005: Meshari El Ballam', 'Karen Derkaloustian (Season 1)']
SQL:

assistant: SELECT "Main presenters" FROM "Table" WHERE "Region/country" = 'Bulgaria';