Complex sentence: It was inaugurated on 16 May 1995, with a capacity of 16,212 seats originally and was expanded to 22,524 after the last promotion to La Liga in the summer of 2011.
Split into simpler sentences: It was inaugurated on 16 May 1995, with an original capacity of 16,212 seats. This was expanded to 22,524 after the final promotion to La Liga in the summer of 2011.