1997 Torneo Descentralizado

Columns: Team | City | Stadium | Capacity | Field
José Gálvez | Chimbote | Manuel Rivera Sanchez | 25,000 | Grass | La Loretana | Pucallpa | Aliardo Soria | 15,000 | Grass | Melgar | Arequipa | Mariano Melgar | 20,000 | Grass | Sport Boys | Callao | Miguel Grau | 18,000 | Grass | Sporting Cristal | Lima | San Martín de Porres | 18,000 | Grass | Unión Minas | Cerro de Pasco | Daniel Alcides Carrión | 8,000 | Grass | Universitario | Lima | Nacional | 45,750 | Grass

Example questions:
which has the 3rd most national titles of the team located in the city of Lima ? | which team won the Torneo Descentralizado in 1981 with a stadium capasity of at least 15000 | in what year in the first division the Club named Deportivo Pesquero last participated | what is popularly known Alianza Lima´s Alejandro Villanuevastadium , known as

Answers:
Sporting Cristal | Melgar | 2004 | Matute