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:
Trams in France
Table title:
Current tramway systems
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Town/City </th><th colspan=1 rowspan=1 > Region </th><th colspan=1 rowspan=1 > Wikipedia article </th><th colspan=1 rowspan=1 > First Opened </th><th colspan=1 rowspan=1 > Closed </th><th colspan=1 rowspan=1 > Reopened </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > Angers </td><td colspan=1 rowspan=1 > Pays de la Loire </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1896 </td><td colspan=1 rowspan=1 > 1949 </td><td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Aubagne </td><td colspan=1 rowspan=1 > Provence-Alpes-Côte d'Azur </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Besançon </td><td colspan=1 rowspan=1 > Bourgogne-Franche-Comté </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1897 </td><td colspan=1 rowspan=1 > 1952 </td><td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Bordeaux </td><td colspan=1 rowspan=1 > Nouvelle-Aquitaine </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1880 </td><td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Brest </td><td colspan=1 rowspan=1 > Brittany </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1898 </td><td colspan=1 rowspan=1 > 1945 </td><td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Caen </td><td colspan=1 rowspan=1 > Normandy </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1901 </td><td colspan=1 rowspan=1 > 1937 </td><td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > 'trams on tyres' system featuring a single guide rail </td></tr>
<tr> <td colspan=1 rowspan=1 > Clermont-Ferrand </td><td colspan=1 rowspan=1 > Auvergne-Rhône-Alpes </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1890 </td><td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > 'trams on tyres' </td></tr>
<tr> <td colspan=1 rowspan=1 > Dijon </td><td colspan=1 rowspan=1 > Bourgogne-Franche-Comté </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1895 </td><td colspan=1 rowspan=1 > 1961 </td><td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Grenoble </td><td colspan=1 rowspan=1 > Auvergne-Rhône-Alpes </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1897 </td><td colspan=1 rowspan=1 > 1952 </td><td colspan=1 rowspan=1 > 1987 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Le Havre </td><td colspan=1 rowspan=1 > Normandy </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1894 </td><td colspan=1 rowspan=1 > 1951 </td><td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Le Mans </td><td colspan=1 rowspan=1 > Pays de la Loire </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1897 </td><td colspan=1 rowspan=1 > 1947 </td><td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Lille </td><td colspan=1 rowspan=1 > Hauts-de-France </td><td colspan=1 rowspan=1 > article </td><td class="highlighted"  colspan=1 rowspan=1 > 1874 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > open non-stop </td></tr>
<tr> <td colspan=1 rowspan=1 > Lyon </td><td colspan=1 rowspan=1 > Auvergne-Rhône-Alpes </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1897 </td><td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Marseille </td><td colspan=1 rowspan=1 > Provence-Alpes-Côte d'Azur </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1876 </td><td class="highlighted"  colspan=1 rowspan=1 > 2004 </td><td class="highlighted"  colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Montpellier </td><td colspan=1 rowspan=1 > Occitanie </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1898 </td><td colspan=1 rowspan=1 > 1949 </td><td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Mulhouse </td><td colspan=1 rowspan=1 > Grand Est </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1892 </td><td colspan=1 rowspan=1 > 1956 </td><td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Nancy </td><td colspan=1 rowspan=1 > Grand Est </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1874 </td><td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > 'trams on tyres' system featuring a single guide rail </td></tr>
<tr> <td colspan=1 rowspan=1 > Nantes </td><td colspan=1 rowspan=1 > Pays de la Loire </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1879 </td><td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Nice </td><td colspan=1 rowspan=1 > Provence-Alpes-Côte d'Azur </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1878 </td><td colspan=1 rowspan=1 > 1953 </td><td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Orléans </td><td colspan=1 rowspan=1 > Centre-Val de Loire </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1899 </td><td colspan=1 rowspan=1 > 1938 </td><td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > In and around Paris </td><td colspan=1 rowspan=1 > Île-de-France </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1885 </td><td colspan=1 rowspan=1 > 1938 </td><td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Reims </td><td colspan=1 rowspan=1 > Grand Est </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1900 </td><td colspan=1 rowspan=1 > 1949 </td><td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Rouen </td><td colspan=1 rowspan=1 > Normandy </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1896 </td><td colspan=1 rowspan=1 > 1953 </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Saint-Étienne </td><td colspan=1 rowspan=1 > Auvergne-Rhône-Alpes </td><td colspan=1 rowspan=1 > article </td><td class="highlighted"  colspan=1 rowspan=1 > 1881 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > open non-stop </td></tr>
<tr> <td colspan=1 rowspan=1 > Strasbourg </td><td colspan=1 rowspan=1 > Grand Est </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1878 </td><td colspan=1 rowspan=1 > 1960 </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Toulouse </td><td colspan=1 rowspan=1 > Occitanie </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1887 </td><td colspan=1 rowspan=1 > 1957 </td><td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Tours </td><td colspan=1 rowspan=1 > Centre-Val de Loire </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1900 </td><td colspan=1 rowspan=1 > 1949 </td><td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Valenciennes </td><td colspan=1 rowspan=1 > Hauts-de-France </td><td colspan=1 rowspan=1 > article </td><td colspan=1 rowspan=1 > 1881 </td><td colspan=1 rowspan=1 > 1966 </td><td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What are the tram lines that have been operated continuously since the 19th century?
Answer:
The tram lines in Lille and Saint-Étienne have only operated continuously since the 19th century