This 3-sentence summary provides the essential information about the sitcom "Aquí no hay quien viva" from the document: The Spanish sitcom "Aquí no hay quien viva" aired on Antena 3 from 2003 to 2006 and followed the lives of residents in an apartment building consisting of 3 floors and a porter's lodge, focusing on the main characters which included the trio of women known as "Las Supernenas", character Mauri who lived on the first floor, and character Juan Cuesta who was the president of the building.