Choose the solution(s) of the following system of equations:

$\begin{array}{l}

x^2+y^2=6 \\

x^2-y=6

\end{array}$

• no solution
  
• $(\sqrt{5}, 0)$
  
• $(\sqrt{5}, 1)$
  
• $(\sqrt{5},-1)$
  
• infinitely many solutions
  
• $(-\sqrt{8}, 0)$
  
• $(-\sqrt{5}, 1)$