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:
Chyler Leigh
Table title:
Filmography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Role </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 1996 </td><td colspan=1 rowspan=1 > Hall Pass </td><td colspan=1 rowspan=1 > Herself </td><td colspan=1 rowspan=1 > Co-Host </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Kinetic City Super Crew </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > Radio series </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Kickboxing Academy </td><td colspan=1 rowspan=1 > Cindy </td><td colspan=1 rowspan=1 > Film </td></tr>
<tr> <td colspan=1 rowspan=1 > 1999 </td><td colspan=1 rowspan=1 > Saving Graces </td><td colspan=1 rowspan=1 > Grace Smith </td><td colspan=1 rowspan=1 > Unsold television pilot (The WB) </td></tr>
<tr> <td colspan=1 rowspan=1 > 1999 </td><td colspan=1 rowspan=1 > Safe Harbor </td><td colspan=1 rowspan=1 > Jamie Martin </td><td colspan=1 rowspan=1 > Main role </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > M.Y.O.B. </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > Episode: "Bad Seed" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > 7th Heaven </td><td colspan=1 rowspan=1 > Frankie </td><td colspan=1 rowspan=1 > 3 episodes </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > Wilder Days </td><td colspan=1 rowspan=1 > Rip </td><td colspan=1 rowspan=1 > Unsold television pilot (ABC) </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2001 </td><td class="highlighted"  colspan=1 rowspan=1 > Not Another Teen Movie </td><td class="highlighted"  colspan=1 rowspan=1 > Janey Briggs </td><td class="highlighted"  colspan=1 rowspan=1 > Film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > That '80s Show </td><td colspan=1 rowspan=1 > June Tuesday </td><td colspan=1 rowspan=1 > Main role </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Girls Club </td><td colspan=1 rowspan=1 > Sarah Mickle </td><td colspan=1 rowspan=1 > Main role </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > The Practice </td><td colspan=1 rowspan=1 > Claire Wyatt </td><td colspan=1 rowspan=1 > Main role (season 7) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > North Shore </td><td colspan=1 rowspan=1 > Kate Spangler </td><td colspan=1 rowspan=1 > Episode: "My Boyfriend's Back" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Rocky Point </td><td colspan=1 rowspan=1 > Cassie </td><td colspan=1 rowspan=1 > Unsold television pilot (The WB) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005–2006 </td><td colspan=1 rowspan=1 > Reunion </td><td colspan=1 rowspan=1 > Carla </td><td colspan=1 rowspan=1 > Main role </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2007–2012 </td><td class="highlighted"  colspan=1 rowspan=1 > Grey's Anatomy </td><td class="highlighted"  colspan=1 rowspan=1 > Dr. Lexie Grey </td><td colspan=1 rowspan=1 > Guest role (season 3); main role (seasons 4–8) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > The 19th Wife </td><td colspan=1 rowspan=1 > Queenie Alton </td><td colspan=1 rowspan=1 > Television film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Private Practice </td><td colspan=1 rowspan=1 > Dr. Lexie Grey </td><td colspan=1 rowspan=1 > Episode: "You Break My Heart" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Brake </td><td colspan=1 rowspan=1 > Molly Reins </td><td colspan=1 rowspan=1 > Film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Window Wonderland </td><td colspan=1 rowspan=1 > Sloan Van Doren </td><td colspan=1 rowspan=1 > Television film </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Taxi Brooklyn </td><td colspan=1 rowspan=1 > Detective Caitlyn 'Cat' Sullivan </td><td colspan=1 rowspan=1 > Main role, 12 episodes </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2015–present </td><td class="highlighted"  colspan=1 rowspan=1 > Supergirl </td><td class="highlighted"  colspan=1 rowspan=1 > Alex Danvers </td><td colspan=1 rowspan=1 > Main role </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Arrow </td><td colspan=1 rowspan=1 > Alex Danvers </td><td colspan=1 rowspan=1 > Episode: "Crisis on Earth-X" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > The Flash </td><td colspan=1 rowspan=1 > Alex Danvers </td><td colspan=1 rowspan=1 > Episode: "Crisis on Earth-X" </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Legends of Tomorrow </td><td colspan=1 rowspan=1 > Alex Danvers </td><td colspan=1 rowspan=1 > Episode: "Crisis on Earth-X" </td></tr>
</table>
Question:
What roles and in which shows did Chyler Leigh play in 2001, 2007-2012 and 2015-present?
Answer:
Chyler Leigh is known for portraying Janey Briggs in the film Not Another Teen Movie (2001), Lexie Grey in Grey's Anatomy (2007–2012), and Alex Danvers in Supergirl (2015–present).