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:
IPad
Table title:
History
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > iPad </th><th colspan=1 rowspan=1 > Released with </th><th colspan=1 rowspan=1 > Release date </th><th colspan=1 rowspan=1 > Final supported OS </th><th colspan=1 rowspan=1 > Support ended </th><th colspan=1 rowspan=1 > Support lifespan </th><th colspan=1 rowspan=1 > Launch price </th></tr>
<tr> <td colspan=1 rowspan=1 > iPad </td><td colspan=1 rowspan=1 > iPhone OS 3.2 </td><td colspan=1 rowspan=1 > April 3, 2010 </td><td colspan=1 rowspan=1 > iOS 5.1.1 </td><td colspan=1 rowspan=1 > September 18, 2012 </td><td colspan=1 rowspan=1 > 2 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad 2 </td><td colspan=1 rowspan=1 > iOS 4.3 </td><td colspan=1 rowspan=1 > March 11, 2011 </td><td colspan=1 rowspan=1 > iOS 9.3.5 </td><td colspan=1 rowspan=1 > September 12, 2016 </td><td colspan=1 rowspan=1 > 5 years, 6 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad (3rd generation) </td><td colspan=1 rowspan=1 > iOS 5.1 </td><td colspan=1 rowspan=1 > March 16, 2012 </td><td colspan=1 rowspan=1 > iOS 9.3.5 </td><td colspan=1 rowspan=1 > September 12, 2016 </td><td colspan=1 rowspan=1 > 4 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad mini </td><td colspan=1 rowspan=1 > iOS 6.0.1 </td><td colspan=1 rowspan=1 > November 2, 2012 </td><td colspan=1 rowspan=1 > iOS 9.3.5 </td><td colspan=1 rowspan=1 > September 12, 2016 </td><td colspan=1 rowspan=1 > 3 years, 10 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad (4th generation) </td><td colspan=1 rowspan=1 > iOS 6.0 </td><td colspan=1 rowspan=1 > November 12, 2012 </td><td colspan=1 rowspan=1 > iOS 10.3.3 </td><td colspan=1 rowspan=1 > September 18, 2017 </td><td colspan=1 rowspan=1 > 4 years, 10 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad Air </td><td colspan=1 rowspan=1 > iOS 7.0.3 </td><td colspan=1 rowspan=1 > November 1, 2013 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 5 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad mini 2 (Retina display) </td><td colspan=1 rowspan=1 > iOS 7.0.3 </td><td colspan=1 rowspan=1 > November 12, 2013 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 5 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad Air 2 </td><td colspan=1 rowspan=1 > iOS 8.1 </td><td colspan=1 rowspan=1 > October 22, 2014 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 4 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad mini 3 </td><td colspan=1 rowspan=1 > iOS 8.1 </td><td colspan=1 rowspan=1 > October 22, 2014 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 4 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad mini 4 </td><td colspan=1 rowspan=1 > iOS 9.0 </td><td colspan=1 rowspan=1 > September 9, 2015 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 3 years, 7 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > iPad Pro (1st, 12.9'') </td><td colspan=1 rowspan=1 > iOS 9.1 </td><td colspan=1 rowspan=1 > November 11, 2015 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 3 years, 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > iPad Pro (1st, 9.7'') </td><td colspan=1 rowspan=1 > iOS 9.3 </td><td colspan=1 rowspan=1 > March 31, 2016 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 3 years </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad (2017) </td><td colspan=1 rowspan=1 > iOS 10.2.1 </td><td colspan=1 rowspan=1 > March 24, 2017 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 2 years </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > iPad Pro (2nd, 12.9'') </td><td colspan=1 rowspan=1 > iOS 10.3.2 </td><td colspan=1 rowspan=1 > June 13, 2017 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 1 year, 10 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > iPad Pro (2nd, 10.5'') </td><td colspan=1 rowspan=1 > iOS 10.3.2 </td><td colspan=1 rowspan=1 > June 13, 2017 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 1 year, 10 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad (2018) </td><td colspan=1 rowspan=1 > iOS 11.2.6 </td><td colspan=1 rowspan=1 > March 27, 2018 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 1 year </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > iPad Pro (3rd, 11") </td><td colspan=1 rowspan=1 > iOS 12 </td><td colspan=1 rowspan=1 > October 30, 2018 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > iPad Pro (3rd, 12.9") </td><td colspan=1 rowspan=1 > iOS 12 </td><td colspan=1 rowspan=1 > October 30, 2018 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 5 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad Air (2019) </td><td colspan=1 rowspan=1 > iOS 12 </td><td colspan=1 rowspan=1 > March 18, 2019 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 0 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > iPad mini (2019) </td><td colspan=1 rowspan=1 > iOS 12 </td><td colspan=1 rowspan=1 > March 18, 2019 </td><td colspan=1 rowspan=1 > latest iOS </td><td colspan=1 rowspan=1 > (current) </td><td colspan=1 rowspan=1 > > 0 months </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=7 rowspan=1 >  </td></tr>
</table>
Question:
Which screen sizes were produced under the first, second, and third generation iPad Pro releases, respectively?
Answer:
The iPad Pro first generation came with 9.7" and 12.9" screen sizes, while the second came with 10.5" and 12.9" sizes, and the third with 11" and 12.9" sizes.