Question: What type of details about jan postulka can be gathered from the following bio? Bio: jan postulka -lrb- born 9 march 1949 -rrb- is a czech football coach and ex-football player . postulka was a goalkeeper of the czechoslovak teams sparta prague and bohemians prague . as a head coach he enjoyed his greatest success in central america -lrb- champion of central america , champion of costa rica , guatemala cup winner , lg cup winner -rrb- where he worked in the 1990s with the l.d.alajuelense . as a coach he spent some years with sparta prague .
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- clubs - caps - position - managerclubs - years - birth date - name - birth place - manageryears - goals