Table: race_results_1962
Columns: race_name
circuit
date
winning_driver
constructor
report

Question: On what circuit was the iii Reims Grand Prix held?
SQL: SELECT "circuit" FROM race_results_1962 WHERE "race_name" = 'iii reims grand prix'

Question: On what circuit was the i mexican grand prix held?
SQL: SELECT "circuit" FROM race_results_1962 WHERE "race_name" = 'i mexican grand prix'