What is the Element when the Nuclide is 55 mn?
CREATE TABLE "complete_list_of_the_22_mononuclidic_ele" (
  "element" text,
  "nuclide" text,
  "z_p" real,
  "n_n" real,
  "isotopic_mass_u" text
);
SELECT "element" FROM "complete_list_of_the_22_mononuclidic_ele" WHERE "nuclide"='55 mn';