SELECT SUM("Total") FROM table_77244 WHERE "Rd 7" < '8'
What is the sum of total values for Rd 7 less than 8?
CREATE TABLE table_77244 (
    "Position" real,
    "Team" text,
    "Rd 6" real,
    "Rd 7" real,
    "Rd 8" real,
    "Total" real
)