user: Question: Who is riding the Ducati 999 RS in Round 7?
Columns: ['Team', 'Constructor', 'Motorcycle', 'Rider', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Ducati Xerox', 'Ducati', 'Ducati 999F05', 'James Toseland', 'All']
SQL:

assistant: SELECT "Rider" FROM "Table" WHERE "Rounds" = '7' AND "Motorcycle" = 'Ducati 999 RS';