Question: Justo Perez Santiago was an abbot of what Monastery that has a memorial in the municipality of San Lorenzo de El Excorial? 
Sentence (from "San Lorenzo de Almagro"): Club Atlético San Lorenzo de Almagro, commonly known as San Lorenzo de Almagro or simply San Lorenzo (in English: "Saint Lawrence"), is an Argentine sports club based in the Boedo district of Buenos Aires.
Relevant evidence: No