CREATE TABLE "complete_list_of_the_22_mononuclidic_ele" (
  "element" text,
  "nuclide" text,
  "z_p" real,
  "n_n" real,
  "isotopic_mass_u" text
);

Question: What is the highest Z (p) when arsenic is the element, and the N (n) is more than 42
SQL: SELECT MAX("z_p") FROM "complete_list_of_the_22_mononuclidic_ele" WHERE "element"='arsenic' AND "n_n">42;

Question: What is the highest Z (p) when the N (n) is less than 30, and scandium is the element?
SQL: SELECT AVG("z_p") FROM "complete_list_of_the_22_mononuclidic_ele" WHERE "n_n"<30 AND "element"='scandium';

Question: What is the isotopic mass (u) when the nuclide is 89 y?
SQL: SELECT "isotopic_mass_u" FROM "complete_list_of_the_22_mononuclidic_ele" WHERE "nuclide"='89 y';

Question: What is the Element when the Nuclide is 55 mn?
SQL: SELECT "element" FROM "complete_list_of_the_22_mononuclidic_ele" WHERE "nuclide"='55 mn';