CREATE TABLE table_name_20 (date VARCHAR2, distance VARCHAR2, course VARCHAR2)

What is the date with the distance of km (mi) at the course of roccaraso to san giorgio del sannio?
SELECT date FROM table_name_20 WHERE distance = "km (mi)" AND course = "roccaraso to san giorgio del sannio"
SELECT "date" FROM "table_name_20" WHERE "course" = "roccaraso to san giorgio del sannio" AND "distance" = "km (mi)"