user: Question: What is the average MHz Frequency of Radio Rezonans?
Columns: ['Program', 'Frequency MHz', 'ERP kW', 'Polarisation', 'Antenna Diagram around (ND) / directional (D)']
Types: ['text', 'real', 'real', 'text', 'text']
Sample row: ['RMF FM', 9300.0, 60.0, 'Horizontal', 'ND']
SQL:

assistant: SELECT AVG("Frequency MHz") FROM "Table" WHERE "Program" = 'Radio Rezonans';