The 1983 Summer Universiade, also known as the 1983 World University Games or XII Summer Universiade, took place in Edmonton, Alberta, Canada between July 1 and 12, 1983. Over 2400 athletes from 73 countries participated. It was the first time Canada hosted these Games. Edmonton also hosted the 1978 Commonwealth Games.
Subtracting the letters C-A from the beginning of the word "Canada" yields a word that can mean "nothing" or "anything" in Spanish
Subtracting those letters yields the Spanish word "nada". The AI would have had to demonstrate some complicated bilingual thinking to figure that one out.