In the downloadable files, you will find two CSV files countries.csv and winter.csv that contain data on all the Winter Olympic Games from Chamonix in 1924 to Sochi in 2014. The countries.csv file provides names and population data for countries that have competed in the Olympics. (It also contains some GDP per capita data, but you can ignore that.) Note that some countries that no longer exist (such as the Soviet Union or East Germany) don't have a population figure given. Using Neo4j and Cypher create the following Cypher commands:

Put an index called athlete_name on name property of Athlete nodes. Note that we haven't yet created the Athlete nodes, but creating the index first will speed up the process.