user: Question: What is the name of the machine that ranked  4th and has 2 wins?
Columns: ['Year', 'Class', 'Team', 'Machine', 'Points', 'Rank', 'Wins']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'real']
Sample row: [1986.0, '500cc', 'Rizla- Suzuki', 'RG500', 2.0, '22nd', 0.0]
SQL:

assistant: SELECT "Machine" FROM "Table" WHERE "Rank" = '4th' AND "Wins" = 2.0;