This challenge uses the `select`, `selectAll`, `append`, and `text` methods seen in previous challenges. It adds 2 new D3 methods: `data` and `enter` to target the given data and display an element on the page for each datum
* After selecting the correct HTML nodes, use the `data` method with the `dataset` variable passed as an argument to make the D3 object aware of the data
* Now that the D3 object is aware of your data and has created enough elements for each datum, `append` the elements of the specified type and add the `text` required in the instructions
*`select('body')` is used to `select` the 'body' element of the HTML document
*`selectAll('h2')` is used to `selectAll` of the 'h2' elements that are children to 'body'
*`data(dataset)` calls the D3 `data` method and uses the given dataset as an argument
*`enter()` uses the D3 `enter` method to check the current number of elements selected and create any missing ones according to the amount needed by the dataset
*`append('h2')` takes these newly created elements from `enter` and ensures they are created as 'h2' elements
*`text('New Title')` changes the text of every element selected to 'New Title'
* The dataset contains 9 datum, so the final solution should show 9 'h2' elements with the text 'New Title'
