CREATE TABLE table_65380 ("Nation" TEXT, "Birth date" TEXT, "Height  ( m ) " TEXT, "Weight  ( kg ) " TEXT, "World Rank" TEXT)

what is the birth date when the weight (kg) is 100 and the world rank is 2?
SELECT "Birth date" FROM table_65380 WHERE "Weight (kg)" = '100' AND "World Rank" = '2'
SELECT "Birth date" FROM "table_65380" WHERE "Weight (kg)" = '100' AND "World Rank" = '2'