Complex sentence: The name is derived from the name "Santa Mesa de la Misericordia", the owner of the land during the Spanish colonial period, which was an "obra pía", meaning "pious work", and provided social services.
Split into simpler sentences: The name is derived from the name "Santa Mesa de la Misericordia". The owner of the land during the Spanish colonial period offered an "obra pía", meaning "pious work", and provided social services.