CREATE TABLE table_name_51 (region__year_ VARCHAR, no_7 VARCHAR, no_2 VARCHAR)

What is Region (Year), when No. 7 is William, and when No. 2 is Alexander?
SELECT region__year_ FROM table_name_51 WHERE no_7 = "william" AND no_2 = "alexander"
SELECT "region__year_" FROM "table_name_51" WHERE "alexander" = "no_2" AND "no_7" = "william"