What is the birthday of the racer who won both the Junior and Senior races in the 1969 Isle of Man TT?
1969 Isle of Man TT: The 1969 Isle of Man TT, the fourth round of the 1969 Grand Prix motorcycle racing season, involved a number of races on the Mountain Course on the Isle of Man. 1969 Isle of Man TT:  For the second year running Giacomo Agostini won both the Junior and Senior races, completing the six laps of the latter race in 2:09.40.2 to win by almost nine minutes. Giacomo Agostini: Giacomo Agostini (born 16 June 1942) is an Italian multi-time world champion Grand Prix motorcycle road racer.
16 June 1942