user: Question: What was Anthony Leung Kam-chung previous position?
Columns: ['Romanised name', 'Chinese name', 'age at appointment', 'Portfolio', 'Prior occupation']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['Donald Tsang Yam-kuen', '曾蔭權', 58.0, 'Chief Secretary for Administration (CS)', 'Chief Secretary for Administration (CS)']
SQL:

assistant: SELECT "Portfolio" FROM "Table" WHERE "Romanised name" = 'Anthony Leung Kam-chung';