<prompt> Translate the following text to EnglishKichapo hicho cha kwanza, kilichoandikwa mwaka wa 500 K.K., ambacho sasa kiko katika Jumba la Makumbusho la Madrid, bado ni fumbo, karibu miaka mia moja baada ya kuonekana.  <response>: The original, dating from 500 b.c. and now housed in Madrids Archaeological Museum, remains something of a puzzle almost a hundred years after it came to light. 