user: Question: What is the attendance of the match with Rosso Kumamoto as the away team?
Columns: ['Match No.', 'Home Team', 'Score', 'Away Team', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Norbritz Hokkaido', '1-2', 'Nippon Steel Oita F.C.', '641']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Away Team" = 'Rosso Kumamoto';