 Complete the following phrase:  Go Ahead also had successes in the KNVB Cup in that period. The club reached the semi-finals four times in a row from 1965 to 1968. Those of 1966, 1967 and 1968 were lost, but in 1965, Go Ahead reached the final. This was lost 10 to Feijenoord, but because Feijenoord was also national champion, Go Ahead qualified for European football. In the first round, Scottish side Celtic, who would eventually go on to win the 