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 cleanest cities in India
Table title:
2016–2017
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Swachh Sarvekshan Rank </th><th colspan=1 rowspan=1 > City </th><th colspan=1 rowspan=1 > State/Union Territory </th></tr>
<tr> <td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > Indore </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > Bhopal </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > Visakhapatnam </td><td colspan=1 rowspan=1 > Andhra Pradesh </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 4 </td><td class="highlighted"  colspan=1 rowspan=1 > Surat </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > Mysore </td><td colspan=1 rowspan=1 > Karnataka </td></tr>
<tr> <td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > Tiruchirapalli </td><td colspan=1 rowspan=1 > Tamil Nadu </td></tr>
<tr> <td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > New Delhi Municipal Council </td><td colspan=1 rowspan=1 > Delhi </td></tr>
<tr> <td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > Navi Mumbai </td><td colspan=1 rowspan=1 > Maharashtra </td></tr>
<tr> <td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > Tirupati </td><td colspan=1 rowspan=1 > Andhra Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > Vadodara </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > Chandigarh </td><td colspan=1 rowspan=1 > Chandigarh </td></tr>
<tr> <td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > Ujjain </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > Pune </td><td colspan=1 rowspan=1 > Maharashtra </td></tr>
<tr> <td colspan=1 rowspan=1 > 14 </td><td colspan=1 rowspan=1 > Ahmedabad </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > Ambikapur </td><td colspan=1 rowspan=1 > Chhattisgarh </td></tr>
<tr> <td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > Coimbatore </td><td colspan=1 rowspan=1 > Tamil Nadu </td></tr>
<tr> <td colspan=1 rowspan=1 > 17 </td><td colspan=1 rowspan=1 > Khargone </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > Rajkot </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 19 </td><td colspan=1 rowspan=1 > Vijayawada </td><td colspan=1 rowspan=1 > Andhra Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > Gandhinagar </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 21 </td><td colspan=1 rowspan=1 > Jabalpur </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > Greater Hyderabad Municipal Corporation </td><td colspan=1 rowspan=1 > Telangana </td></tr>
<tr> <td colspan=1 rowspan=1 > 23 </td><td colspan=1 rowspan=1 > Sagar </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 24 </td><td colspan=1 rowspan=1 > Murwara </td><td colspan=1 rowspan=1 > Madhya Pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > Navsari </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 26 </td><td colspan=1 rowspan=1 > Vapi </td><td colspan=1 rowspan=1 > Gujarat </td></tr>
<tr> <td colspan=1 rowspan=1 > 27 </td><td colspan=1 rowspan=1 > Gwalior </td><td colspan=1 rowspan=1 > Madhya pradesh </td></tr>
<tr> <td colspan=1 rowspan=1 > 28 </td><td colspan=1 rowspan=1 > Warangal </td><td colspan=1 rowspan=1 > Telangana </td></tr>
<tr> <td colspan=1 rowspan=1 > 29 </td><td colspan=1 rowspan=1 > Mumbai </td><td colspan=1 rowspan=1 > Maharashta </td></tr>
<tr> <td colspan=1 rowspan=1 > 30 </td><td colspan=1 rowspan=1 > Suryapet </td><td colspan=1 rowspan=1 > Telangana </td></tr>
<tr> <th class="highlighted"  colspan=3 rowspan=1 > Source: Ministry of Urban Development </th></tr>
</table>
Question:
What was the fourth cleanest city of India in 2016–2017, and what source verified this fact?
Answer:
In 2017, Surat was the fourth cleanest city of India according to the Indian Ministry of Urban Development.