user: Question: Which Frequency has a Branding of Country 600?
Columns: ['Frequency', 'Call sign', 'Branding', 'Format', 'Owner']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['600 AM', 'CKAT', 'Country 600', 'country / news / sports', 'Rogers Communications']
SQL:

assistant: SELECT "Frequency" FROM "Table" WHERE "Branding" = 'Country 600';