claim: The Republic of China and the People's Republic of China claim to be the official governments of China.
evidence: `` Chain of Lights '' is a song performed by Italian singer Michele Perniola & Sammarinese singer Anita Simoncini and written by Ralph Siegel and John O'Flynn .. Michele Perniola. Michele Perniola. Anita Simoncini. Anita Simoncini. Ralph Siegel. Ralph Siegel. John O'Flynn. Bernd Meinunger. The song represented San Marino in the Eurovision Song Contest 2015 , but failed to qualify for the final .. represented San Marino. San Marino in the Eurovision Song Contest 2015. Eurovision Song Contest 2015. Eurovision Song Contest 2015. It was released as a digital download on 16 March 2015 .