SELECT COUNT("Lost") FROM table_17929 WHERE "Club" = 'Keighley Cougars'
How many numbers are given for losses by the Keighley Cougars?
CREATE TABLE table_17929 (
    "Position" real,
    "Club" text,
    "Played" real,
    "Won" real,
    "Drawn" real,
    "Lost" real,
    "Pts For" real,
    "Pts Agst" real,
    "Bonus Points" real,
    "Points" real
)