user: Question: In what Battle was Bulgarian Commander of Gavril Radomir?
Columns: ['Battle', 'Date', 'Bulgarian Commander', 'Byzantine Commander', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Battle of Ongal', '680', 'Asparukh', 'Constantine IV', 'Bulgarian victory']
SQL:

assistant: SELECT "Battle" FROM "Table" WHERE "Bulgarian Commander" = 'Gavril Radomir';