generate questions: The Estonian dialects are divided into two groups – the northern and southern dialects, historically associated with the cities of Tallinn in the north and Tartu in the south, in addition to a distinct kirderanniku dialect, that of the northeastern coast of Estonia.
How many groups of Estonian dialects are there? {sep_token} What are the names of the Estonian dialect groups? {sep_token} What is the northern city to which the northern dialect is associated? {sep_token} Where is the kirderanniku dialect spoken? {sep_token} What is the city where the southern dialect was historically spoken?