Read the bio below and try to give details on giovanni trigueros 's:    - clubs     - managerclubs     - position     - nationalcaps     - nationalyears     - youthclubs     - nationalgoals     - ntupdate       - birth date     - fullname     - name     - nationalteam     - birth place     - manageryears     Bio: giovanni trigueros martínez -lrb- born 8 december 1966 in ahuachapán , el salvador -rrb- is a retired salvadoran footballer who played as a central defender for luis Ángel firpo in the salvadoran premier league . he currently acts as assistant to technical director mauricio alfaro of the el salvador national under-20 football team .
The answer to this question is:
- clubs is la academia barcelona- managerclubs is el el salvador -lrb- women -rrb- el salvador u20 once municipal salvador u20 el salvador u17 -lrb- women -rrb-- position is defender- nationalcaps is 47- nationalyears is 1988-1996- youthclubs is la academia barcelona- nationalgoals is 1- ntupdate is 26 july 2012- birth date is 8 december 1966- fullname is giovanni trigueros martínez- name is giovanni trigueros- nationalteam is el salvador- birth place is ahuachapán , el salvador- manageryears is 2012 2013 2014 -2015 2015 -