Clyde Tonbaugh discovered what planet in 1930?
clyde tonbaugh discovered what planet in 1930
FreebaseQA-train-4797.P0 FreebaseQA-train-4797.P1
clyde tonbaugh clyde tonbaugh
clyde tombaugh clyde tombaugh
m.01ylz m.01ylz
astronomy.astronomer.astronomical_objects_discovered user.lindenb.default_domain.scientist.known_for
m.0c3qy
pluto
m.0c3qy
pluto