question: Daphne Slater attended what school founded by one of the Great Twelve Livery Company's of the City of London? 
answer: Haberdashers' Aske's School for Girls
context: Title: Honourable Company of Master Mariners
  Passage: The Honourable Company of Master Mariners is one of the Livery Companies of the City of London.  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.  While the other Livery Companies are entitled to the style "Worshipful", the Master Mariners are styled "Honourable", King George V having granted them that honour in 1928.
  Title: Daphne Slater
  Passage: Daphne Helen Slater (3 March 1928 – 4 October 2012) was an English actress noted for Shakespearian and period films.  She was born in London and educated at Haberdashers' Aske's School for Girls, when it was in Acton, before attending the Royal Academy of Dramatic Art, where she won the academy's gold medal.
  Title: Worshipful Company of Goldsmiths
  Passage: The Worshipful Company of Goldsmiths is one of the Great Twelve Livery Companies of the City of London.
  Title: Haberdashers' Aske's School for Girls
  Passage: Haberdashers' Aske's School for Girls is an independent day school in Elstree, Hertfordshire.  It is often referred to as "Habs" (or "Habs Girls" to distinguish it from the neighbouring Haberdashers' Aske's Boys' School).  The school was founded in 1875 by the Worshipful Company of Haberdashers, one of the Great Twelve Livery Companies of the City of London.
citations: Haberdashers' Aske's School for Girls Daphne Slater