If \( P(h, k) \) be a point on the parabola \( x = 4y^{2} \), which is nearest to the point \( Q(0, 33) \), then the distance of \( P \) from the directrix of the parabola \( y^{2} = 4(x + y) \) is equal to:
\( 2 \)
\( 4 \)
\( 6 \)
\( 8 \)