Please answer the following anti-spam test

Select the (4) polka entertainers from the list below:

1.    Jimmy Sturr
2.    Haley Berry
3.    Beyoncé
4.    Toby Keith
5.    Frankie Yankovic
6.    Zoraida Sambolin
7.    Raul Malo
8.    Eddie Blazonczyk
9.    Miranda Lambert
10.    Happy Louie

Just select the (4) correct answers among those in the list.