How many paralympics did Paraskevi compete in?

Context: Paraskevi has competed in three Paralympics competing in the T11 100m, 200m and long jump. Her first games were the 2004 Summer Paralympics in her home country where she won a bronze in the 100m. She was unable to match this in Beijing in the 2008 Summer Paralympics and in London in 2012 Summer Paralympics where she failed to win any medals.

Answer: Paraskevi competed in three paralympics.