SELECT "Points against" FROM table_69156 WHERE "Tries against" = '77' AND "Lost" = '16'
What point against has tries against of 77, and a lost of 16?
CREATE TABLE table_69156 (
    "Club" text,
    "Played" text,
    "Drawn" text,
    "Lost" text,
    "Points for" text,
    "Points against" text,
    "Tries for" text,
    "Tries against" text,
    "Try bonus" text,
    "Losing bonus" text,
    "Points" text
)