user: Question: For which season is Tim Mikkelson player of the year?
Columns: ['Season', 'Rounds', 'Champion', 'Most tries', 'Player of the Year']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['1999–00', 10.0, 'New Zealand (186 points)', 'Vilimoni Delasau (83)', 'No Award']
SQL:

assistant: SELECT "Season" FROM "Table" WHERE "Player of the Year" = 'Tim Mikkelson';