<prompt> Translate the following text to SwahiliSixteenth-century mapmakers back in Spain mistakenly confused the names, so that in the end the port became San Juan and the whole island was called a rich port ; once on the maps, the names stuck.  <response>: Wakataalamu wa ramani wa karne ya 16 walichanganyikiwa na majina ya bandari hiyo, na mwishowe jina la bandari hiyo likawa San Juan, na kisiwa hicho chote kikaitwa Banda la Utajiri. 