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:
Simone Stortoni
Table title:
Grand Tour general classification results timeline
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Grand Tour </th><th colspan=1 rowspan=1 > 2010 </th><th colspan=1 rowspan=1 > 2011 </th><th colspan=1 rowspan=1 > 2012 </th><th colspan=1 rowspan=1 > 2013 </th><th colspan=1 rowspan=1 > 2014 </th><th colspan=1 rowspan=1 > 2015 </th></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Giro d'Italia </th><td colspan=1 rowspan=1 > 73 </td><td colspan=1 rowspan=1 > 80 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 56 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 50 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Tour de France </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 69 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Vuelta a España </th><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > DNF </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > — </td></tr>
</table>
Question:
Which Grand Tour events did Simone Stortoni compete in?
Answer:
Stortoni competed in three Grand Tour events, including the Giro d'Italia and Tour de France.