title: Filtering specific column in Angular Material table in angular 5
body: <p>In Angular material official website it is mentioned that filterPredicate: ((data: T, filter: string) => boolean) will filter data based on specific field. But don't getting how to start. </p>
  
  <p>I have seen example but not getting:-<a href="https://stackblitz.com/edit/angular-material2-table?file=app%2Fapp.component.html" rel="noreferrer">https://stackblitz.com/edit/angular-material2-table?file=app%2Fapp.component.html</a></p>
  
  <p>By default  it filter based on whole object but i want to search only based on single property of json.</p>