Question: Who was the head coah of the Portland Trail Blazers, when Greg Anthony was signed after the 1998-99 National Basketball Association
{'answer': 'Mike Dunleavy was named Coach of The Year.', 'supporting_facts': [['1998–99 Portland Trail Blazers season', 1], ['1998–99 Portland Trail Blazers season', 5], ['Greg Anthony', 0]]}