Question: Daphne Slater attended what school founded by one of the Great Twelve Livery Company's of the City of London? 
Sentence (from "Honourable Company of Master Mariners"): The Company was formed in 1926; it was made a Livery Company by the City of London in 1932, making it the first new Livery Company to be formed since 1746.
Relevant evidence: No