Question: Name the average pop for Chūgoku and prefecture of Okayama
SQL: SELECT AVG("Pop. ¹") FROM "2-12259974-1" WHERE "Region" = 'Chūgoku' AND "Prefecture" = 'Okayama';

Question: Name the highest pop for Tottori
SQL: SELECT MAX("Pop. ¹") FROM "2-12259974-1" WHERE "Prefecture" = 'Tottori';

Question: Name the sum of pop for Shizuoka
SQL: SELECT SUM("Pop. ¹") FROM "2-12259974-1" WHERE "Prefecture" = 'Shizuoka';

Question: Name the total number of pop for ibaraki
SQL: SELECT COUNT("Pop. ¹") FROM "2-12259974-1" WHERE "Prefecture" = 'ibaraki';