user: Question: What is the Team of Winner Mark Skaife in ATCC Round 7?
Columns: ['Date', 'Series', 'Circuit', 'City / State', 'Winner', 'Team']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['24 Feb', 'ATCC Round 1', 'Sandown International Raceway', 'Melbourne , Victoria', 'Jim Richards', 'Nissan Motorsport Australia']
SQL:

assistant: SELECT "Team" FROM "Table" WHERE "Winner" = 'Mark Skaife' AND "Series" = 'ATCC Round 7';