user: Question: The series titled Dragon Laws I: The Undercover has what role?
Columns: ['Year', 'Series title', 'Chinese title', 'Role', 'Channel']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2003.0, 'Dragon Laws I: The Undercover', '特警飛龍之一 - 臥底威龍', '"Police Officer Lung"', 'China -']
SQL:

assistant: SELECT "Role" FROM "Table" WHERE "Series title" = 'Dragon Laws I: The Undercover';