 Complete the following phrase:  Estadio de Bata is a multi-use stadium in Bata, Equatorial Guinea. The stadium was constructed by the Chinese contractor Covec and completed in 2007 with a capacity of 22,000 people in a single tier pre-cast concrete structure. It was a venue for the 2008 Womens African Football Championship. It was expanded in 2011 with a new steel substructure upper tier to a 35,000 capacity as one of the host stadiums for the 