CREATE TABLE table_70040 ("Season" TEXT, "Competition" TEXT, "Round" TEXT, "Club" TEXT, "Home" TEXT, "Away" TEXT, "Aggregate" TEXT)

In what season did the Sporting CP Club have a 1. round?
SELECT "Season" FROM table_70040 WHERE "Round" = '1. round' AND "Club" = 'sporting cp'
SELECT "Season" FROM "table_70040" WHERE "Club" = 'sporting cp' AND "Round" = '1. round'