Please answer the following anti-spam test

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

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

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