Input question: In 2004 it was announced that what new fixture was planned for Wimbledons Centre Court, to be completed in 2009?

Output answer: retractable roof

Input question: Which country's highest military honour is the Order of William?

Output answer: netherlands

Input question: The Duke of Wellington was born in which city?

Output answer: dublin

Input question: The Vistula Lagoon is a freshwater lagoon on which sea?

Output answer:
baltic sea