SELECT "Season" FROM table_75313 WHERE "Runner Up's Country" = 'mexico' AND "Winner" = 'melissa marty'
What season had mexico as the runner up with melissa marty winning?
CREATE TABLE table_75313 (
    "Season" text,
    "Season Premiere" text,
    "Season Finale" text,
    "Winner" text,
    "Runner-up" text,
    "Number of Contestants" real,
    "Winner's Country" text,
    "Runner Up's Country" text
)