Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
List of leaders of the TBVC states
Table title:
Heads of state and government
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Tenure </th><th colspan=1 rowspan=1 > Portrait </th><th colspan=1 rowspan=1 > Incumbent </th><th colspan=1 rowspan=1 > Affiliation </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <th colspan=5 rowspan=1 > Chief Executive Councillor </th></tr>
<tr> <td colspan=1 rowspan=1 > 1 January 1969 to 1 August 1972 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Thandatha Jongilizwe Mabandla </td><td colspan=1 rowspan=1 > CNP </td><td colspan=1 rowspan=1 > Ciskei Territorial Authority </td></tr>
<tr> <th class="highlighted"  colspan=5 rowspan=1 > Chief Ministers </th></tr>
<tr> <td colspan=1 rowspan=1 > 1 August 1972 to 21 May 1973 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Thandatha Jongilizwe Mabandla </td><td colspan=1 rowspan=1 > CNP </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 21 May 1973 to June 1975 </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Lennox Sebe </td><td colspan=1 rowspan=1 > CNIP </td><td colspan=1 rowspan=1 > Gained power in the 1973 election; 1st term </td></tr>
<tr> <td colspan=1 rowspan=1 > June 1975 to 24 October 1975 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Charles Sebe </td><td colspan=1 rowspan=1 > CDF (military) </td><td colspan=1 rowspan=1 > Brother of Lennox Sebe; acting </td></tr>
<tr> <td colspan=1 rowspan=1 > 24 October 1975 to 4 December 1981 </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Lennox Sebe </td><td colspan=1 rowspan=1 > CNIP </td><td colspan=1 rowspan=1 > Proclaimed independence following the 1980 referendum; 2nd term </td></tr>
<tr> <th class="highlighted"  colspan=5 rowspan=1 > President </th></tr>
<tr> <td colspan=1 rowspan=1 > 4 December 1981 to 4 March 1990 </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Lennox Sebe </td><td colspan=1 rowspan=1 > CNIP </td><td colspan=1 rowspan=1 > Declared President for life in 1983; deposed in a coup d'état </td></tr>
<tr> <th colspan=5 rowspan=1 > Chairman of the Military Committee and of the Council of State </th></tr>
<tr> <td colspan=1 rowspan=1 > 4 March 1990 to 22 March 1994 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Oupa Gqozo </td><td colspan=1 rowspan=1 > CDF (military) ADP (from 1991) </td><td colspan=1 rowspan=1 > Resigned </td></tr>
<tr> <th colspan=5 rowspan=1 > Administrators (Transitional Executive Council) </th></tr>
<tr> <td colspan=1 rowspan=2 > 23 March 1994 to 26 April 1994 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Pieter van Rensburg Goosen </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Bongani Blessing Finca </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Which former Chief Minister was the country's first President?
Answer:
Lennox Sebe was chief minister and the country's first president.