Name the metrical equivalence for linha
CREATE TABLE "table1_26538461_2" (
  "portuguese_name" text,
  "english_name" text,
  "subdivides_in" text,
  "equivalence_in_varas" text,
  "metrical_equivalence" text
);
SELECT "metrical_equivalence" FROM "table1_26538461_2" WHERE "portuguese_name"='Linha';