CREATE TABLE "list_of_japanese_prefectural_capitals" (
  "capital" text,
  "prefecture" text,
  "region" text,
  "island" text,
  "pop" real
);

Question: Name the average pop for chūgoku and prefecture of okayama
SQL: SELECT AVG("pop") FROM "list_of_japanese_prefectural_capitals" WHERE "region"='chūgoku' AND "prefecture"='okayama';

Question: Name the highest pop for tottori
SQL: SELECT MAX("pop") FROM "list_of_japanese_prefectural_capitals" WHERE "prefecture"='tottori';

Question: Name the sum of pop for shizuoka
SQL: SELECT SUM("pop") FROM "list_of_japanese_prefectural_capitals" WHERE "prefecture"='shizuoka';

Question: Name the total number of pop for ibaraki
SQL: SELECT COUNT("pop") FROM "list_of_japanese_prefectural_capitals" WHERE "prefecture"='ibaraki';