user: Question: Which AFC cup does Kenji Arai have?
Columns: ['Rank', 'Name', 'S-League', 'Singapore Cup', 'Singapore League Cup', 'AFC Cup', 'Total']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Aleksandar Đurić', '12 (13)', '0 (1)', '0 (0)', '5 (6)', '17 (20)']
SQL:

assistant: SELECT "AFC Cup" FROM "Table" WHERE "Name" = 'Kenji Arai';