Question: Hong Kong Human Rights and Democracy Act is proposed by Chris Smith, who is the chairman of Congressional-Executive Commission on China, Christopher Henry Smith (born March 4, 1953) is the U.S. Representative for New Jersey 's 4 congressional district , serving since which year?
Sentence (from "Chris Smith (New Jersey politician)"): In August 2017, Smith was nominated by President Donald Trump to become a representative to the United Nations General Assembly.
Relevant evidence: No