user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Films' regarding 'Cathy O'Donnell'
Table Content:
| Year | Film | Director | Role | Notes |
| --- | --- | --- | --- | --- |
| 1945 | Wonder Man | H. Bruce Humberstone | Nightclub Extra | Uncredited |
| 1946 | The Best Years of Our Lives | William Wyler | Wilma Cameron | - |
| 1947 | Bury Me Dead | Bernard Vorhaus | Rusty | - |
| 1948 | The Amazing Mr. X | Bernard Vorhaus | Janet Burke | - |
| 1948 | They Live by Night | Nicholas Ray | Catherine "Keechie" Mobley | - |
| 1950 | Side Street | Anthony Mann | Ellen Norson | - |
| 1950 | The Miniver Story | H.C. Potter | Judy Miniver | - |
| 1951 | Never Trust a Gambler | Ralph Murphy | Virginia Merrill | - |
| 1951 | Detective Story | William Wyler | Susan Carmichael | - |
| 1952 | The Woman's Angle | Leslie Arliss | Nina Van Rhyne | - |
| 1954 | Eight O'Clock Walk | Lance Comfort | Jill Manning | - |
| 1954 | Loves of Three Queens | Edgar G. Ulmer | Enone | segment "The Face That Launched a Thousand Ships" |
| 1955 | Mad at the World | Harry Essex | Anne Bennett | - |
| 1955 | The Man from Laramie | Anthony Mann | Barbara Waggoman | - |
| 1957 | The Deerslayer | Kurt Neumann | Judith Hutter | - |
| 1957 | The Story of Mankind | Irwin Allen | Early Christian Woman | - |
| 1958 | My World Dies Screaming | Harold Daniels | Sheila Wayne Tierney | retitled Terror in the Haunted House |
| 1959 | Ben-Hur | William Wyler | Tirzah | - |


Question
What roles did O'Donnell play in 1951?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["O'Donnell starred as JVirginia Merrill in Never Trust a Gambler (1951) and played a separate role in Detective Story (1951)."]