CREATE TABLE table_10638523_1 (trance__n_himalaya_zone VARCHAR2, high_hill_zone VARCHAR2)

What is the percentage of the trance- n himalaya zone that corresponds with the high hill zone is 25%?
SELECT trance__n_himalaya_zone FROM table_10638523_1 WHERE high_hill_zone = "25%"
SELECT "trance__n_himalaya_zone" FROM "table_10638523_1" WHERE "25%" = "high_hill_zone"