user: Question: How did he beat Alberto Rodriguez?
Columns: ['Result', 'Record', 'Opponent', 'Method', 'Date', 'Round', 'Notes']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Win', '1-0-0', 'Tony "Swamp Rat" Santaigo', 'Knockout', '1980 Dec 31', 1.0, 'Kickboxing']
SQL:

assistant: SELECT "Method" FROM "Table" WHERE "Opponent" = 'Alberto Rodriguez';