user: Question: Who was the loser of the fight against Antonio Silva?
Columns: ['Weight Division', 'Winner', 'Loser', 'Method', 'Round', 'Time']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Heavyweight', 'Kimbo Slice', 'Tank Abbott', 'KO (Punch)', 1.0, '0:43']
SQL:

assistant: SELECT "Loser" FROM "Table" WHERE "Winner" = 'Antonio Silva';