user: Question: What is the date of birth of the person who started their reign in 1986?
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 "Birth Name" FROM "Table" WHERE "Start of Reign" = 1986.0;