Answer the following question: What type of details about glenn blackwood  can be gathered from the following bio?  Bio: glenn allen blackwood -lrb- born february 23 , 1957 -rrb- is a retired professional football player , he played safety for nine seasons in the national football league .
Answer:
- position - databasefootball - college - draftedround - birth date - playing team - playing years - birth place - draftedyear