What is ada kok?

As an AI language model, I'm not sure exactly what you're looking for, but I can tell you a few things about Ada Kok:

Ada Kok is a former Dutch swimmer who competed in the 1960s and 1970s. She is considered to be one of the greatest female swimmers of all time, having won numerous medals and set world records during her career.

Kok was born on June 6, 1947, in Amsterdam, Netherlands. She began swimming at a young age and quickly showed a talent for the sport. In 1964, she competed in her first Olympics at the age of 17. She went on to compete in two more Olympics, in 1968 and 1972, and won a total of three medals.

Kok was known for her powerful freestyle and backstroke swimming, and for her strong work ethic and mental toughness. She retired from competitive swimming in 1973 and went on to work as a swimming coach and TV commentator. She was inducted into the International Swimming Hall of Fame in 1988.

In addition to her swimming career, Kok was also a successful businesswoman and entrepreneur. She founded a swimming school and sports center in Amsterdam, and was involved in various other business ventures throughout her life.