user
Instruction
Answer the question based on the provided table.


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


Question
What roles did Giulietta Masina perform in La Strada (1954) and Nights of Cabiria (1957)?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Giulietta Masina performed the roles of Gelsomina in La Strada (1954) and Cabiria in Nights of Cabiria (1957)."]