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:
Giulietta Masina
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 > 1946 </td><td colspan=1 rowspan=1 > Paisan </td><td colspan=1 rowspan=1 > Young woman </td><td colspan=1 rowspan=1 > debut, Uncredited </td></tr>
<tr> <td colspan=1 rowspan=1 > 1948 </td><td colspan=1 rowspan=1 > Without Pity </td><td colspan=1 rowspan=1 > Marcella </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=4 > 1951 </td><td colspan=1 rowspan=1 > Variety Lights </td><td colspan=1 rowspan=1 > Melina Amour </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Behind Closed Shutters </td><td colspan=1 rowspan=1 > Pippo </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Seven Hours of Trouble </td><td colspan=1 rowspan=1 > Figlia de Romolini </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Cameriera bella presenza offresi... </td><td colspan=1 rowspan=1 > Ermelinda </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=4 > 1952 </td><td colspan=1 rowspan=1 > The Shameless Sex </td><td colspan=1 rowspan=1 > Nadina </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > The White Sheik </td><td colspan=1 rowspan=1 > Cabiria </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Europa '51 </td><td colspan=1 rowspan=1 > Giulietta </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Position Wanted </td><td colspan=1 rowspan=1 > Paola </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1953 </td><td colspan=1 rowspan=1 > At the Edge of the City </td><td colspan=1 rowspan=1 > Gina Ilari </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=4 > 1954 </td><td colspan=1 rowspan=1 > Angels of Darkness </td><td colspan=1 rowspan=1 > Rosita </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 100 Years of Love </td><td colspan=1 rowspan=1 > The Neighbour at the Rear Window </td><td colspan=1 rowspan=1 > (segment "Purificazione") </td></tr>
<tr> <td colspan=1 rowspan=1 > Lo scocciatore (Via Padova 46) </td><td colspan=1 rowspan=1 > Irene </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > La Strada </td><td class="highlighted"  colspan=1 rowspan=1 > Gelsomina </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 1955 </td><td colspan=1 rowspan=1 > Buonanotte... avvocato! </td><td colspan=1 rowspan=1 > Carla Santi </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Il bidone </td><td colspan=1 rowspan=1 > Iris </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1957 </td><td class="highlighted"  colspan=1 rowspan=1 > Nights of Cabiria </td><td class="highlighted"  colspan=1 rowspan=1 > Maria Cabiria Ceccarelli </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1958 </td><td colspan=1 rowspan=1 > Fortunella </td><td colspan=1 rowspan=1 > Nanda Diotallevi aka Fortunella </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 1959 </td><td colspan=1 rowspan=1 > Nella città l'inferno </td><td colspan=1 rowspan=1 > Lina </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > ...and the Wild Wild Women </td><td colspan=1 rowspan=1 > Erdme </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1960 </td><td colspan=1 rowspan=1 > The High Life </td><td colspan=1 rowspan=1 > Doris Putzke </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1965 </td><td colspan=1 rowspan=1 > Juliet of the Spirits </td><td colspan=1 rowspan=1 > Giulietta Boldrini </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1966 </td><td colspan=1 rowspan=1 > Pardon, Are You For or Against? </td><td colspan=1 rowspan=1 > Anna </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1967 </td><td colspan=1 rowspan=1 > Don't Sting the Mosquito </td><td colspan=1 rowspan=1 > Maria Cristina, madre di Rita </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1969 </td><td colspan=1 rowspan=1 > The Madwoman of Chaillot </td><td colspan=1 rowspan=1 > Gabrielle </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > The Feather Fairy </td><td colspan=1 rowspan=1 > Perinbaba </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1986 </td><td colspan=1 rowspan=1 > Ginger and Fred </td><td colspan=1 rowspan=1 > Amelia Bonetti "Ginger" </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > A Day to Remember </td><td colspan=1 rowspan=1 > Bertille </td><td colspan=1 rowspan=1 > (final film role) </td></tr>
</table>
Question:
What roles did Giulietta Masina perform in La Strada (1954) and Nights of Cabiria (1957)?
Answer:
Giulietta Masina performed the roles of Gelsomina in La Strada (1954) and Cabiria in Nights of Cabiria (1957).