What is Real Madrid Castilla?
{{Infobox football club | clubname = Real Madrid Castilla | image = | fullname = Real Madrid Castilla Club de Fútbol | nickname = RM Castilla | founded = 16 December 1930 <br> (as ''Agrupación Deportiva<br> Plus Ultra'') | ground = [[Alfredo di Stéfano Stadium]], <br /> [[Madrid]], [[Community of Madrid]],[[Spain]] | capacity = 12,000 | chairman = Nicolas Martín-Sanz<ref>{{Cite web|title=Nicolás Martín-Sanz, nuevo presidente del Castilla |url=http://www.as.com/futbol/articulo/nicolas-martin-sanz-nuevo-presidente-castilla/20091023dasdasftb_50/Tes|publisher=AS|accessdate=30 May 2011}}</ref> | manager = [[Santiago Scolari]] | league = [[Segunda División B]] | season = [[2015–16 Segunda División B|2015-16]] | position = 2ªB - Group 2, '''6th''' | pattern_la1 = _realmadrid1617h | pattern_b1 = _realmadrid1617h | pattern_ra1 = _realmadrid1617h | pattern_sh1 = _realmadrid1617h | pattern_so1 = _realmadrid1617h | leftarm1 = | body1 = | rightarm1 = | shorts1 = | socks1 = | pattern_la2 = _realmadrid1617a | pattern_b2 = _realmadrid1617a | pattern_ra2 = _realmadrid1617a | pattern_sh2 = _realmadrid1617a | pattern_so2 = _realmadrid1617a | leftarm2 = | body2 = | rightarm2 = | shorts2 = | socks2 = 543c94 | pattern_la3 = _realmadrid1617t | pattern_b3 = _realmadrid1617t | pattern_ra3 = _realmadrid1617t | pattern_sh3 = _realmadrid1617t | pattern_so3 = _realmadrid1617t | leftarm3 = | body3 = | rightarm3 = | shorts3 = | socks3 = 000000 | current = 2016-17 Segunda División B }} '''Real Madrid Castilla''' is a [[Spanish language|Spanish]] [[football]] team. It is [[Real Madrid C.F.|Real Madrid's]] [[reserve team]]. Their home stadium (ground) is [[Alfredo di Stéfano Stadium]]. They curr