Benfica finally opened the scoring in the 81st minute with a penalty taken by Helder after Luis Baltasar tripped up captain Joao Pinto under the referee 's nose .
<response> <organization>Benfica</organization> finally opened the scoring in the 81st minute with a penalty taken by <person>Helder</person> after <person>Luis Baltasar</person> tripped up captain <person>Joao Pinto</person> under the referee 's nose . </response>