Only two planets in our Solar system have retrograde rotation: Uranus and which other ?
only two planets in our solar system have retrograde rotation: uranus and which other 
FreebaseQA-train-17276.P0 FreebaseQA-train-17276.P1
solar system solar system
solar system solar system
m.06p5g m.06p5g
astronomy.star_system.planetary_system astronomy.star_system.planets
m.09bcm
venus
m.09bcm
venus