SELECT "Home team score" FROM table_55203 WHERE "Home team" = 'south melbourne'
What is south melbourne's home side score?
CREATE TABLE table_55203 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
)