<prompt> Translate the following text to SwahiliIn Havana, the government newspaper Granma celebrated the 40 th anniversary of the invention of the cha-cha with the unlikely boast that it was danced by no less than Queen Elizabeth and the Prince of Wales.  <response>: Gazeti la serikali la Havana, Granma, lilisherehekea maadhimisho ya miaka 40 ya kuanzishwa kwa mchezo wa cha-cha, likijivunia kwamba ulichezwa na Malkia Elizabeth na Prince wa Wales. 