Question: What symbol did a Ghanaian stateswoman, teacher and artist known for designing Ghana's flag in 1957 use in that flag?
Sentence (from "Theodosia Okoh"): Theodosia Salome Okoh (13 June 1922 – 19 April 2015) was a Ghanaian stateswoman, teacher and artist known for designing Ghana's flag in 1957.
Relevant evidence: Yes