CREATE TABLE table_53504 ("Location" CLOB, "Londonborough" CLOB, "Post town" CLOB, "Postcodedistrict" CLOB, "Dialcode" CLOB)

What Dialcode has a location of Edmonton?
SELECT "Dialcode" FROM table_53504 WHERE "Location" = 'edmonton'
SELECT "Dialcode" FROM "table_53504" WHERE "Location" = 'edmonton'