user: Question: What is the rank when RR2 has 4 points?
Columns: ['Team name', 'Races', 'Won', 'RR1 Pts.', 'RR2 Pts.', 'RR3 Pts.', 'Total Pts.', 'Ranking']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Nippon Challenge', 21.0, 18.0, 6.0, 20.0, 56.0, 82.0, 1.0]
SQL:

assistant: SELECT "Ranking" FROM "Table" WHERE "RR2 Pts." = 4.0;