user: Question: Where Luke Durbridge is the aggressive rider who is listed as the young rider classification?
Columns: ['Stage', 'Winner', 'General Classification', 'Mountains Classification', 'Sprint Classification', 'Young Rider Classification', 'Team Classification', 'Aggressive Rider']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Matthew Goss', 'Matthew Goss', 'Luke Roberts', 'Matthew Goss', 'Matthew Goss', 'Team Sky', 'Simon Clarke']
SQL:

assistant: SELECT "Young Rider Classification" FROM "Table" WHERE "Aggressive Rider" = 'Luke Durbridge';