Simplify the following text for a Grade 7 native English-speaking person.
Original: During the first nine days , the NakÃ m tribe proved more successful at the challenges losing only one immunity challenge , sending YaxhÃ to Tribal Council twice .
Simplified: As part of their reward , NakÃ m had an individual Immunity Challenge , which was won by Rafe . He was also able to watch part of the YaxhÃ tribal council .