user: Question: What was the original name for the song performed by Brad Kavanagh?
Columns: ['Song', 'Original Name', 'Country', 'Language', 'Singer(s)']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['"Verrockt"', '"We Rock"', 'Germany', 'German', 'Killerpilze']
SQL:

assistant: SELECT "Original Name" FROM "Table" WHERE "Singer(s)" = 'Brad Kavanagh';