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 WWE pay-per-view and WWE Network events
Table title:
1997
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Event </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Location </th><th colspan=1 rowspan=1 > Main event </th></tr>
<tr> <td colspan=1 rowspan=1 > January 19 </td><td colspan=1 rowspan=1 > Royal Rumble </td><td colspan=1 rowspan=1 > Alamodome </td><td colspan=1 rowspan=1 > San Antonio, Texas </td><td colspan=1 rowspan=1 > Sycho Sid vs. Shawn Michaels for the WWF World Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > February 16 </td><td colspan=1 rowspan=1 > In Your House 13: Final Four </td><td colspan=1 rowspan=1 > UTC Arena </td><td colspan=1 rowspan=1 > Chattanooga, Tennessee </td><td class="highlighted"  colspan=1 rowspan=1 > Bret Hart vs. Stone Cold Steve Austin vs. Vader vs. The Undertaker for the vacant WWF World Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > March 23 </td><td colspan=1 rowspan=1 > WrestleMania 13 </td><td colspan=1 rowspan=1 > Rosemont Horizon </td><td colspan=1 rowspan=1 > Rosemont, Illinois </td><td colspan=1 rowspan=1 > Sycho Sid vs. The Undertaker for the WWF Word Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > April 20 </td><td colspan=1 rowspan=1 > In Your House 14: Revenge of the 'Taker </td><td colspan=1 rowspan=1 > Blue Cross Arena </td><td colspan=1 rowspan=1 > Rochester, New York </td><td class="highlighted"  colspan=1 rowspan=1 > Bret Hart vs. Stone Cold Steve Austin </td></tr>
<tr> <td colspan=1 rowspan=1 > May 11 </td><td colspan=1 rowspan=1 > In Your House 15: A Cold Day in Hell </td><td colspan=1 rowspan=1 > Richmond Coliseum </td><td colspan=1 rowspan=1 > Richmond, Virginia </td><td class="highlighted"  colspan=1 rowspan=1 > The Undertaker vs. Stone Cold Steve Austin for the WWF World Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > June 8 </td><td colspan=1 rowspan=1 > King of the Ring </td><td colspan=1 rowspan=1 > Providence Civic Center </td><td colspan=1 rowspan=1 > Providence, Rhode Island </td><td colspan=1 rowspan=1 > The Undertaker vs. Faarooq for the WWF World Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > July 6 </td><td colspan=1 rowspan=1 > In Your House 16: Canadian Stampede </td><td colspan=1 rowspan=1 > Canadian Airlines Saddledome </td><td colspan=1 rowspan=1 > Calgary, Alberta, Canada </td><td class="highlighted"  colspan=1 rowspan=1 > The Hart Foundation (Bret Hart, Owen Hart, The British Bulldog, Jim Neidhart and Brian Pillman) vs. Stone Cold Steve Austin, Ken Shamrock, Goldust and The Legion of Doom (Hawk and Animal) </td></tr>
<tr> <td colspan=1 rowspan=1 > August 3 </td><td colspan=1 rowspan=1 > SummerSlam </td><td colspan=1 rowspan=1 > Continental Airlines Arena </td><td colspan=1 rowspan=1 > East Rutherford, New Jersey </td><td colspan=1 rowspan=1 > The Undertaker vs. Bret Hart for the WWF World Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > September 7 </td><td colspan=1 rowspan=1 > Ground Zero: In Your House </td><td colspan=1 rowspan=1 > Louisville Gardens </td><td colspan=1 rowspan=1 > Louisville, Kentucky </td><td colspan=1 rowspan=1 > Shawn Michaels vs. The Undertaker </td></tr>
<tr> <td colspan=1 rowspan=1 > September 20 </td><td colspan=1 rowspan=1 > One Night Only </td><td colspan=1 rowspan=1 > NEC Arena </td><td colspan=1 rowspan=1 > Birmingham, England </td><td colspan=1 rowspan=1 > Shawn Michaels vs. The British Bulldog for the WWF European Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > October 5 </td><td colspan=1 rowspan=1 > Badd Blood: In Your House </td><td colspan=1 rowspan=1 > Kiel Center </td><td colspan=1 rowspan=1 > St. Louis, Missouri </td><td colspan=1 rowspan=1 > The Undertaker vs. Shawn Michaels </td></tr>
<tr> <td colspan=1 rowspan=1 > November 9 </td><td colspan=1 rowspan=1 > Survivor Series </td><td colspan=1 rowspan=1 > Molson Centre </td><td colspan=1 rowspan=1 > Montreal, Quebec, Canada </td><td colspan=1 rowspan=1 > Bret Hart vs. Shawn Michaels for the WWF World Heavyweight Championship </td></tr>
<tr> <td colspan=1 rowspan=1 > December 7 </td><td colspan=1 rowspan=1 > D-Generation X: In Your House </td><td colspan=1 rowspan=1 > Springfield Civic Center </td><td colspan=1 rowspan=1 > Springfield, Massachusetts </td><td colspan=1 rowspan=1 > Shawn Michaels vs. Ken Shamrock for the WWF World Heavyweight Championship </td></tr>
</table>
Question:
What WWE events has Austin main evented?
Answer:
Austin has main evented multiple pay-per-view events for the WWE.