Please answer the following question: What key details about robin gracie can be extracted from the following bio? Bio: robin gracie is a brazilian professional mixed martial artist and brazilian jiu-jitsu practitioner . robin is the youngest son of helio gracie . he currently resides in barcelona and runs the official gracie jiu-jitsu academy of spain and teaches seminars throughout europe and north america . he was a vale tudo competitor and was a 1998 adcc submission wrestling world championship silver medalist . robin was trained by his father helio , and his brothers royler gracie , rolker gracie and royce gracie .
Answer:
- sherdog is 28847- residence is barcelona , spain- fighting out of is barcelona , spain- weight is 157 lb kg st on- height is 5 8.5- mma kowin is 1- students is gustavo machado- url is -lsb- http://www.graciebarcelona.com/ gracie barcelona -rsb-- team is gracie -rrb- humaita -lrb- occasionally -rrb- gracie barcelona -lrb- 1998-present- weight class is lightweight- name is robin gracie- image size is 200px- nationality is brazilian- birth place is rio de janeiro , brazil- rank is '' 5th degree black belt in brazilian jiu-jitsu ''