user: Question: Which Radon has Atomic property of Outer shell electron configuration?
Columns: ['Atomic property', 'Helium', 'Neon', 'Argon', 'Krypton', 'Xenon', 'Radon']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Atomic number', '2', '10', '18', '36', '54', '86']
SQL:

assistant: SELECT "Radon" FROM "Table" WHERE "Atomic property" = 'Outer shell electron configuration';