A city's ruler usually claimed to be related to the city's patron god. This ruler was sometimes called a king. In Mesopotamia, religion and government were closely tied. City business and economic activities were carried out in the temples.
The correct answer is Sophocles. He wrote Oedipus Rex and is considered by many to be the greatest writer of tragedies ever, having written not only Oedipus Rex, but also Antigone.