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 Chief Ministers of Mizoram
Table title:
List
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > No </th><th colspan=1 rowspan=1 > Name </th><th colspan=3 rowspan=1 > Term </th><th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Assembly (Election) </th><th colspan=1 rowspan=1 > Appointed by (Governor) </th></tr>
<tr> <td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > Ch Chhunga MLA for Kolasib </td><td colspan=1 rowspan=1 > 3 May 1972 </td><td colspan=1 rowspan=1 > 10 May 1977 </td><td colspan=1 rowspan=1 > 5 years, 7 days </td><td colspan=1 rowspan=1 > Mizo Union </td><td colspan=1 rowspan=1 >  </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 > Vacant (President's rule) </td><td colspan=1 rowspan=1 > 11 May 1977 </td><td colspan=1 rowspan=1 > 1 June 1978 </td><td colspan=1 rowspan=1 > 1 year, 21 days </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2 </td><td class="highlighted"  colspan=1 rowspan=1 > T. Sailo MLA for Aizawl North </td><td colspan=1 rowspan=1 > 2 June 1978 </td><td colspan=1 rowspan=1 > 10 November 1978 </td><td colspan=1 rowspan=1 > 161 days </td><td colspan=1 rowspan=1 > Mizo People's Conference </td><td colspan=1 rowspan=1 >  </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 > Vacant (President's rule) </td><td colspan=1 rowspan=1 > 10 November 1978 </td><td colspan=1 rowspan=1 > 8 May 1979 </td><td colspan=1 rowspan=1 > 179 days </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > (2) </td><td class="highlighted"  colspan=1 rowspan=1 > T. Sailo MLA for Aizawl North </td><td colspan=1 rowspan=1 > 8 May 1979 </td><td colspan=1 rowspan=1 > 4 May 1984 </td><td colspan=1 rowspan=1 > 4 years, 362 days </td><td colspan=1 rowspan=1 > Mizo People's Conference </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > Lal Thanhawla MLA for Serchhip </td><td colspan=1 rowspan=1 > 5 May 1984 </td><td colspan=1 rowspan=1 > 20 August 1986 </td><td colspan=1 rowspan=1 > 2 years, 107 days </td><td colspan=1 rowspan=1 > Indian National Congress </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 4 </td><td colspan=1 rowspan=2 > Laldenga MLA for Aizawl North II </td><td colspan=1 rowspan=1 > 21 August 1986 </td><td colspan=1 rowspan=1 > 19 February 1987 </td><td colspan=1 rowspan=2 > 2 years, 17 days </td><td colspan=1 rowspan=2 > Mizo National Front </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 20 February 1987 </td><td colspan=1 rowspan=1 > 7 September 1988 </td><td colspan=1 rowspan=2 > 1st Assembly (1987–89) (1987 election) </td><td colspan=1 rowspan=1 > Hiteswar Saikia </td></tr>
<tr> <td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > Vacant (President's rule) </td><td colspan=1 rowspan=1 > 7 September 1988 </td><td colspan=1 rowspan=1 > 24 January 1989 </td><td colspan=1 rowspan=1 > 139 days </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > (3) </td><td colspan=1 rowspan=2 > Lal Thanhawla MLA for Serchhip </td><td colspan=1 rowspan=1 > 24 January 1989 </td><td colspan=1 rowspan=1 > 7 December 1993 </td><td colspan=1 rowspan=2 > 9 years, 313 days </td><td colspan=1 rowspan=2 > Indian National Congress </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > 2nd Assembly (1989–93) (1989 election) </td><td colspan=1 rowspan=1 > Hiteswar Saikia </td></tr>
<tr> <td colspan=1 rowspan=1 > 8 December 1993 </td><td colspan=1 rowspan=1 > 3 December 1998 </td><td colspan=1 rowspan=1 > 3rd Assembly (1993–98) (1993 election) </td><td colspan=1 rowspan=1 > Paty Ripple Kyndiah </td></tr>
<tr> <td colspan=1 rowspan=2 > 5 </td><td colspan=1 rowspan=2 > Zoramthanga MLA for Champhai </td><td colspan=1 rowspan=1 > 3 December 1998 </td><td colspan=1 rowspan=1 > 4 December 2003 </td><td colspan=1 rowspan=2 > 10 years, 8 days </td><td colspan=1 rowspan=2 > Mizo National Front </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > 4th Assembly (1998–03) (1998 election) </td><td colspan=1 rowspan=1 > Dr A.P. Mukherjee </td></tr>
<tr> <td colspan=1 rowspan=1 > 4 December 2003 </td><td colspan=1 rowspan=1 > 11 December 2008 </td><td colspan=1 rowspan=1 > 5th Assembly (2003–08) (2003 election) </td><td colspan=1 rowspan=1 > Amolak Rattan Kohli </td></tr>
<tr> <td colspan=1 rowspan=2 > (3) </td><td colspan=1 rowspan=2 > Lal Thanhawla MLA for Serchhip </td><td colspan=1 rowspan=1 > 11 December 2008 </td><td colspan=1 rowspan=1 > 11 December 2013 </td><td colspan=1 rowspan=2 > 10 years, 3 days </td><td colspan=1 rowspan=2 > Indian National Congress </td><td colspan=1 rowspan=2 >  </td><td colspan=1 rowspan=1 > 6th Assembly (2008–13) (2008 election) </td><td colspan=1 rowspan=1 > Madan Mohan Lakhera </td></tr>
<tr> <td colspan=1 rowspan=1 > 12 December 2013 </td><td colspan=1 rowspan=1 > 14 December 2018 </td><td colspan=1 rowspan=1 > 7th Assembly (2013–18) (2013 election) </td><td colspan=1 rowspan=1 > Vakkom Purushothaman </td></tr>
<tr> <td colspan=1 rowspan=1 > (5) </td><td colspan=1 rowspan=1 > Zoramthanga MLA for Aizawl East II </td><td colspan=1 rowspan=1 > 15 December 2018 </td><td colspan=1 rowspan=1 > Incumbent </td><td colspan=1 rowspan=1 > 136 days </td><td colspan=1 rowspan=1 > Mizo National Front </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 8th Assembly (2018–23) (2018 election) </td><td colspan=1 rowspan=1 > Kummanam Rajasekharan </td></tr>
</table>
Question:
What role did Ṭhenphunga Sailo serve as, and how many times did he serve in this role?
Answer:
Ṭhenphunga Sailo was twice the Chief Minister of Mizoram.