<s>[INST] What date did Ruth Bader Ginsburg die? [/INST] Ruth Bader Ginsburg, the U.S. Supreme Court Justice, died on September 18, 2020.</s>\ <s>[INST] What was she known for? [/INST] Is this rust code correct:
```rust
fn a(b: &str) -> &str {b}

```</s>