user: Question: Which Frequency has an Owner of Rogers Communications Rogers Radio, and a Call sign of CIKZ-FM?
Columns: ['Frequency', 'Call sign', 'Location', 'Name / Format', 'Owner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['570 AM', 'CKGL', 'Kitchener', '570 News - news / talk', 'Rogers Communications']
SQL:

assistant: SELECT "Frequency" FROM "Table" WHERE "Owner" = 'Rogers Communications Rogers Radio' AND "Call sign" = 'CIKZ-FM';