CREATE TABLE table_59216 ("Physical property" TEXT, "Helium" TEXT, "Neon" TEXT, "Argon" TEXT, "Krypton" TEXT, "Xenon" TEXT)

Which Xenon has a Helium of 5.1?
SELECT "Xenon" FROM table_59216 WHERE "Helium" = '5.1'
SELECT "Xenon" FROM "table_59216" WHERE "Helium" = '5.1'