CREATE TABLE table_59217 ("Physical property" TEXT, "Helium" TEXT, "Neon" TEXT, "Argon" TEXT, "Krypton" TEXT, "Xenon" TEXT)

Which Neon has a Argon of 189.6?
SELECT "Neon" FROM table_59217 WHERE "Argon" = '−189.6'
SELECT "Neon" FROM "table_59217" WHERE "Argon" = '−189.6'