user: Question: What format is at frequency 99.5 FM?
Columns: ['Frequency', 'Name', 'Format', 'Call Sign', 'Covered Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['88.3 FM', 'Jam 88.3', 'Alternative rock , Modern rock', 'DWJM', 'Metro Manila']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Frequency" = '99.5 FM';