CREATE TABLE table_202_54 (id NUMBER, "song" CLOB, "chinese" CLOB, "hito radio\ top 10" NUMBER, "9+2 music\ top 15" NUMBER, "global asia\ top 15" NUMBER, "ufo radio\ top 15" NUMBER, "channel [v]\ top 20" NUMBER, "mtv taiwan\ top 20" NUMBER, "yes 93.3\ top 20" NUMBER)

how many songs were on the mtv taiwan top 20 chart ?
SELECT COUNT("song") FROM table_202_54 WHERE NOT "mtv taiwan\ntop 20" IS NULL
SELECT COUNT("song") FROM "table_202_54" WHERE NOT "mtv taiwan\ntop 20" IS NULL