Complex sentence: Gama received a call-up to the Portugal under-18 side in 1987, being included in José Augusto's squad for five matches and making his debut in a 1--2 loss against the Netherlands on 17 April, as a substitute.
Split into simpler sentences: Gama received a call-up to the Portugal under-18s in 1987. He was included in Portugal's squad by coach José Augusto for five of their matches, making his debut in a 1--2 loss against the Netherlands on 17 April as a substitute.