In this task, you will be presented with a question and you have to answer the question based on your knowledge. Your answers should be as short as possible.

What is the postcode district whose local authority area was formed in 1974 ?
WD4

What is the country whose building was established in 1879 with the Tarnovo Constitution ?
Bulgaria

In which year did the the most successful team of Argentina in number of official titles win the Supercopa ?

1989