Please answer a question about the following article about New York City:

The Mayor and council members are elected to four-year terms. The City Council is a unicameral body consisting of 51 council members whose districts are defined by geographic population boundaries. Each term for the mayor and council members lasts four years and has a three consecutive-term limit, but can resume after a four-year break. The New York City Administrative Code, the New York City Rules, and the City Record are the code of local laws, compilation of regulations, and official journal, respectively.

How many terms in a row can a person serve as mayor?
three