user: Question: Which frequency has 40kW power?
Columns: ['Branding', 'Callsign', 'Frequency', 'Power (kW)', 'Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['DZEC Radyo Agila 1062', 'DZEC-AM', '1062kHz', '40kW', 'Metro Manila']
SQL:

assistant: SELECT "Frequency" FROM "Table" WHERE "Power (kW)" = '40kW';