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 ONE Championship champions
Table title:
Women
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Division </th><th colspan=1 rowspan=1 > Champion </th><th colspan=1 rowspan=1 > Since </th><th colspan=1 rowspan=1 > Defenses </th></tr>
<tr> <th class="highlighted"  colspan=4 rowspan=1 > MMA </th></tr>
<tr> <th colspan=1 rowspan=1 > Strawweight </th><td colspan=1 rowspan=1 > China Jing Nan Xiong </td><td colspan=1 rowspan=1 > 20 January 2018 (ONE: Kings of Courage) </td><td colspan=1 rowspan=1 > 3 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Atomweight </th><td class="highlighted"  colspan=1 rowspan=1 > Singapore Angela Lee </td><td class="highlighted"  colspan=1 rowspan=1 > 6 May 2016 (ONE: Ascent to Power) </td><td colspan=1 rowspan=1 > 3 </td></tr>
<tr> <th colspan=4 rowspan=1 > Kickboxing </th></tr>
<tr> <th colspan=1 rowspan=1 > Atomweight </th><td colspan=1 rowspan=1 > Thailand Stamp Fairtex </td><td colspan=1 rowspan=1 > October 6, 2018 (ONE: Kingdom Of Heroes) </td><td colspan=1 rowspan=1 > 0 </td></tr>
<tr> <th colspan=4 rowspan=1 > Muay Thai </th></tr>
<tr> <th colspan=1 rowspan=1 > Atomweight </th><td colspan=1 rowspan=1 > Thailand Stamp Fairtex </td><td colspan=1 rowspan=1 > February 22, 2019 (ONE: Call To Greatness) </td><td colspan=1 rowspan=1 > 0 </td></tr>
</table>
Question:
In which year did Angela Lee win a ONE Women's Atomweight Title in MMA? 
Answer:
In May 2016, Angela Lee won a ONE Women's Atomweight Title in MMA.