CREATE TABLE table_63525 ("Club" CLOB, "League" CLOB, "Sport" CLOB, "Venue" CLOB, "Established" FLOAT, "Capacity" FLOAT)

What sport is the cb estudiantes club in?
SELECT "Sport" FROM table_63525 WHERE "Club" = 'cb estudiantes'
SELECT "Sport" FROM "table_63525" WHERE "Club" = 'cb estudiantes'