Table:
text: Dancing with the Stars (U.S. season 7)
Junior ballroom dancing competition
Junior ballroom dancing competition
Date_ Round Pair Ages Dance Song
October 14, 2008 1 Mitchell & Jessica 11 & 10 Cha-cha-cha  All Star — Smash Mouth
October 14, 2008 1 Kirill & Hannah 11 & 10 Samba  I Wan`na Be Like You — Big Bad Voodoo Daddy
October 21, 2008 2 Anthony & Alisa 11 & 12 Jive  Fun, Fun, Fun — The Beach Boys
October 21, 2008 2 Mitchell & Maria 12 & 13 Paso Doble  España Cañi —Pascual Marquina Narro
October 28, 2008 3 Craig & Samantha 13 & 11 Cha-cha-cha  Play — Jennifer Lopez

text: Dancing with the Stars (U.S. season 7)
Junior ballroom dancing competition
Junior ballroom dancing competition
Date_ Round Pair Ages Dance Song
October 28, 2008 3 Simon & Lucy 13 & 13 Samba  Steal My Sunshine — Len
November 18, 2008 4 Kirill & Hannah 11 & 10 Cha-cha-cha  Get Ready — The Temptations
November 18, 2008 4 Mitchell & Maria 12 & 13 Samba Mas Que Nada— Sérgio Mendes and Carlinhos Brown
November 18, 2008 4 Craig & Samantha 13 & 11 Jive  Rockin` Robin — Michael Jackson

Question: How old were Mitchell & Jessica when they danced the cha-cha-cha in the junior ballroom dancing competition on Dancing with the Stars (US season 7)?

Question: Who danced the samba on Dancing with the Stars (US season 7) on October 14, 2008 at the junior ballroom dancing competition?