user: Question: How many reg GP for mattias ohlund?
Columns: ['Rd #', 'Pick #', 'Player', 'Team (League)', 'Reg GP', 'Pl GP']
Types: ['real', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 13.0, 'Mattias Ohlund', 'Luleå HF ( Swe )', 770.0, 52.0]
SQL:

assistant: SELECT SUM("Reg GP") FROM "Table" WHERE "Player" = 'mattias ohlund';