For what invention is Earl Silas Tupper best known?
for what invention is earl silas tupper best known
FreebaseQA-train-6287.P0 FreebaseQA-train-6287.P1
earl silas tupper earl silas tupper
earl tupper earl tupper
m.03jb5q m.03jb5q
law.inventor.inventions symbols.name_source.namesakes
m.02cj0_
tupperware
m.02cj0_
tupperware