question: The head chef of Urasawa is a former understudy of a chef born in what year?
answer: 1954
context: Title: Ferran Adrià
  Passage: Ferran Adrià Acosta (] ) is a Spanish Catalan chef born on May 14, 1962 in L'Hospitalet de Llobregat (Barcelona, Catalonia, Spain).  He was the head chef of the "elBulli" restaurant in Roses on the Costa Brava and is considered one of the best chefs in the world.
  Title: Holger Stromberg
  Passage: Holger Stromberg (born 15 March 1972), is a German celebrity chef.  At the age of 23 in 1994, he gained his first Michelin star whilst head chef at the restaurant Goldschmieding in Castrop-Rauxel, making him Germany's youngest Michelin starred chef.  He is owner and chef patron of Restaurant G in Munich, and the chef of the Germany national football team.
  Title: Masa Takayama
  Passage: Masayoshi "Masa" Takayama (高山 雅氏 , Takayama Masayoshi ) (born 1 May 1954 in Kuroiso, Tochigi, Japan) is the chef and owner of Masa, a three-Michelin-starred Japanese and sushi restaurant in Manhattan, New York City.  He is also owner of Bar Masa, with two locations: one adjacent to his New York City restaurant, and one in the Aria Resort & Casino on the Las Vegas Strip in Paradise, Nevada.
  Title: Urasawa (restaurant)
  Passage: Urasawa is a Japanese restaurant located in Beverly Hills, Los Angeles County, California run by head chef Hiroyuki Urasawa who is a former understudy of Masa Takayama.  As of 2014, the restaurant is considered the second most expensive in the world after Sublimotion at $1,111 per person.
citations: Urasawa (restaurant) Masa Takayama