Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Romanised name | Chinese name | age at appointment | Portfolio | Prior occupation |
| --- | --- | --- | --- | --- |
| Donald Tsang Yam-kuen | 曾蔭權 | 58.0 | Chief Secretary for Administration (CS) | Chief Secretary for Administration (CS) |
| Anthony Leung Kam-chung | 梁錦松 | 50.0 | Financial Secretary (FS) | Financial Secretary (FS) |
| Elsie Leung Oi-see | 梁愛詩 | 63.0 | Secretary for Justice (SJ) | Secretary for Justice (SJ) |
| Joseph Wong Wing-ping | 王永平 | 54.0 | Secretary for Civil Service | Secretary for Civil Service |
| Henry Tang Ying-yen | 唐英年 | 50.0 | Secretary for Commerce, Industry and Technology | Chairman, Federation of Hong Kong Industries |
| Stephen Ip Shu-kwan | 葉澍堃 | 50.0 | Secretary for Economic Development and Labour | Secretary for Financial Services |
| Frederick Ma Si-hang | 馬時亨 | 50.0 | Secretary for Financial Services and the Treasury | chief financial officer, PCCW |
| Sarah Liao Sau-tung | 廖秀冬 | 51.0 | Secretary for the Environment, Transport and Works | MD of Greater China, CH2M Hill |
| Dr Patrick Ho Chi-ping | 何志平 | 52.0 | Secretary for Home Affairs | Chairman, Arts Development Council |
| Michael Suen Ming-yeung | 孫明揚 | 58.0 | Secretary for Housing, Planning and Lands | Secretary for Constitutional Affairs |
| Arthur Li Kwok-cheung | 李國章 | 57.0 | Secretary for Education and Manpower | Vice-Chancellor , Chinese University |
| Yeoh Eng-kiong | 楊永強 | 56.0 | Secretary for Health, Welfare and Food | Secretary for Health and Welfare |
Question:
How old was the official with Chinese name  孫明揚?
Answer:
58.0