<prompt> Translate the following text to EnglishAndrea Mantegna, ndugu wa mke wa familia ya Bellini, anaonyesha kwa nini Mtakatifu George, muuaji wa joka, akawa mlinzi wa Uingereza.  <response>: Room 4: Andrea Mantegna a brother-in-law of the Bellini family shows why St. George, the dragon-killer, became the most appropriate patron saint for England. 