user: Question: What is the end of reign for Dimitar Stojkovski?
Columns: ['Name', 'Start of Reign', 'End of Reign', 'Birth Name', 'Title']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Dositheus II Доситеј II', 1967.0, '1981', 'Dimitar Stojkovski', 'Archbishop of Ohrid and Macedonia']
SQL:

assistant: SELECT "End of Reign" FROM "Table" WHERE "Birth Name" = 'Dimitar Stojkovski';