user: Question: What frequency is DXEC-FM?
Columns: ['Branding', 'Callsign', 'Frequency', 'Power (kW)', 'Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['MOR 103.1 Baguio For Life!', 'DZRR-FM', '103.1MHz', '10kW', 'Baguio']
SQL:

assistant: SELECT "Frequency" FROM "Table" WHERE "Callsign" = 'DXEC-FM';