user: Question: What is the value for Positional opponents with No material or Non-material, and 3 suits?
Columns: ['Positional or Automatic', 'Opponents', 'Suits', 'Material or Non-material', 'Count Rectified']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Either', 'Single', '2', 'Yes', 'Yes']
SQL:

assistant: SELECT "Opponents" FROM "Table" WHERE "Positional or Automatic" = 'Positional' AND "Material or Non-material" = 'No' AND "Suits" = '3';