CREATE TABLE table_3165 ("Saddle cloth" FLOAT, "Horse" TEXT, "Trainer" TEXT, "Jockey" TEXT, "Weight  ( kg ) " TEXT, "Barrier [b ]" FLOAT, "Placing" TEXT)

What was the weight in kg when the horse was Alcopop?
SELECT "Weight (kg)" FROM table_3165 WHERE "Horse" = 'Alcopop'
SELECT "Weight (kg)" FROM "table_3165" WHERE "Horse" = 'Alcopop'