CREATE TABLE table_name_87 (first_elected VARCHAR, constiuency VARCHAR, name VARCHAR)

What is Myron Walwyn with a Territorial at-large Constiuency's First Elected Date
SELECT first_elected FROM table_name_87 WHERE constiuency = "territorial at-large" AND name = "myron walwyn"
SELECT "first_elected" FROM "table_name_87" WHERE "constiuency" = "territorial at-large" AND "myron walwyn" = "name"