user: Question: What's the D ERP in San Martin Texmelucan, Puebla?
Columns: ['Callsign', 'Network', 'City of License', 'D ERP', 'Owner / Operator']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['XHBD', 'Canal de las Estrellas', 'Aguascalientes, Aguascalientes', '•', 'Televimex ( Zacatecas )']
SQL:

assistant: SELECT "D ERP" FROM "Table" WHERE "City of License" = 'San Martin Texmelucan, Puebla';