CREATE TABLE table_59867 ("Atomic property" CLOB, "Helium" CLOB, "Neon" CLOB, "Argon" CLOB, "Krypton" CLOB, "Xenon" CLOB, "Radon" CLOB)

Which Radon has Atomic property of outer shell electron configuration?
SELECT "Radon" FROM table_59867 WHERE "Atomic property" = 'outer shell electron configuration'
SELECT "Radon" FROM "table_59867" WHERE "Atomic property" = 'outer shell electron configuration'