Question: S.L. Benfica and Sporting CP were participating in what competition?
Answers:
answer_text: 1987 Supertaça Cândido de Oliveira
answer_text: 2019 Supertaça Cândido de Oliveira
answer_text: 2015 Supertaça Cândido de Oliveira
answer_text: 1971 Taça de Portugal Final
answer_text: 1974 Taça de Portugal Final
answer_text: 1955 Taça de Portugal Final
answer_text: 1987 Taça de Portugal Final
answer_text: 1972 Taça de Portugal Final
answer_text: 1952 Taça de Portugal Final
answer_text: 1996 Taça de Portugal Final
answer_text: 1970 Taça de Portugal Final
answer_text: 2009 Taça da Liga Final
answer_text: 2017–18 Primeira Liga
answer_text: 2019–20 Primeira Liga
answer_text: 1980 Supertaça Cândido de Oliveira