Which team that was promoted to Primera División in the 1985–86 Segunda División is based in Palma, in the Balearic Islands?
1985–86 Segunda División:  Real Murcia, CE Sabadell FC and RCD Mallorca were promoted to Primera División. RCD Mallorca: Real Club Deportivo Mallorca, S.A.D. (] , Catalan: "Reial Club Deportiu Mallorca" ] ) is a Spanish football team based in Palma, in the Balearic Islands.
RCD Mallorca