What is the value for positional opponents with no material or non-material, and 3 suits?
CREATE TABLE "classification" (
  "positional_or_automatic" text,
  "opponents" text,
  "suits" text,
  "material_or_non_material" text,
  "count_rectified" text
);
SELECT "opponents" FROM "classification" WHERE "positional_or_automatic"='positional' AND "material_or_non_material"='no' AND "suits"='3';