You can use backticks ` to display code - either one at the beginning and one at the end of a string, or you can create a code text box by putting three backticks on a line above the code and three below. In this case, I'll escape the backticks with backslashes \ to show an example:
```
Here goes your code
```
On a US QWERTY keyboard, the backtick or grave accent is at the top left. The author of this post didn't use backticks, which is why the first character in each line of table code was interpreted as a quote character. The actual table code should look like this:
|Benefits|Outcome|
|-|-|
|Graphical Content| Data Visualization|
|Visualization of statistics| Word Summary|