You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Dissolution_of_the_Soviet_Union

Context:
On October 25–28, 1990, Rukh held its second congress and declared that its principal goal was the "renewal of independent statehood for Ukraine". On October 28 UAOC faithful, supported by Ukrainian Catholics, demonstrated near St. Sophia’s Cathedral as newly elected Russian Orthodox Church Patriarch Aleksei and Metropolitan Filaret celebrated liturgy at the shrine. On November 1, the leaders of the Ukrainian Greek Catholic Church and of the Ukrainian Autocephalous Orthodox Church, respectively, Metropolitan Volodymyr Sterniuk and Patriarch Mstyslav, met in Lviv during anniversary commemorations of the 1918 proclamation of the Western Ukrainian National Republic.

Question:
Where was the UAOC protest held?

near St. Sophia’s Cathedral