the sign that # 12_2KI_20_08 # And Hezekiah said unto Isaiah, What [shall be] the sign that the LORD will heal me, and that I shall go up into the house of the LORD the third day? 
the sign that # 23_ISA_38_22 # Hezekiah also had said, What [is] the sign that I shall go up to the house of the LORD?