CREATE TABLE table_18618707_1 (geographical_regions VARCHAR2, contestant VARCHAR2)

When cristina pe a garzon is the contestant what is the geographical region?
SELECT geographical_regions FROM table_18618707_1 WHERE contestant = "Cristina Peña Garzon"
SELECT "geographical_regions" FROM "table_18618707_1" WHERE "Cristina Peña Garzon" = "contestant"