user: Question: What's the time for a round of N/A when the opponent is Mikhail Ilyukhin?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Round', 'Time', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Draw', '21-8-1', 'Masakatsu Funaki', 'Draw (majority)', '1', '15:00', 'Tokyo , Japan']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Round" = 'N/A' AND "Opponent" = 'Mikhail Ilyukhin';