1973 Torneo Descentralizado

Columns: Team | City | Stadium | Capacity | Field
Alianza Lima | Lima | Nacional | 45,750 | Grass | Atlético Chalaco | Callao | Miguel Grau | 15,000 | Grass | Atlético Grau | Piura | Miguel Grau ( Piura ) | 25,000 | Grass | Atlético Torino | Talara | Campeonísimo | 8,000 | Grass | Cienciano | Cusco | Garcilaso | 40,000 | Grass | CNI | Iquitos | Max Augustín | 24,000 | Grass | Defensor Lima | Lima | Nacional | 45,750 | Grass | Deportivo Municipal | Lima | Nacional | 45,750 | Grass | José Gálvez | Chimbote | Manuel Rivera Sánchez | 25,000 | Artificial

Example questions:
Between the founding dates of the 1973 Torneo Descentralizado teams Melgar and CNI , what is the founding date of the one that was founded earlier ? | Between the founding dates of the 1973 Torneo Descentralizado teams Melgar and Atlético Grau , what is the founding date of the one that was founded earlier ? | Between the founding dates of the 1973 Torneo Descentralizado teams Melgar and José Gálvez , what is the founding date of the one that was founded earlier ? | Between the founding dates of the 1973 Torneo Descentralizado teams Melgar and Deportivo Municipal , what is the founding date of the one that was founded earlier ? | Between the founding dates of the 1973 Torneo Descentralizado teams Melgar and and Defensor Lima , what is the founding date of the one that was founded earlier ?

Answers:
March 25 , 1915 | March 25 , 1915 | March 25 , 1915 | March 25 , 1915 | March 25 , 1915