user: Question: What is the callsign of the 5kW Sonshine Radio Cotabato?
Columns: ['Branding', 'Callsign', 'Frequency', 'Power (kW)', 'Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Sonshine Radio*', 'DZAR', '1026kHz', '50kW', 'Metro Manila']
SQL:

assistant: SELECT "Callsign" FROM "Table" WHERE "Power (kW)" = '5kW' AND "Branding" = 'Sonshine Radio Cotabato';