CREATE TABLE table_name_29 (short_term_capital_gain_rate VARCHAR2, long_term_gain_on_collectibles VARCHAR2)

What is short-term capital gain rate with long-term gain on collectibles at 15%?
SELECT short_term_capital_gain_rate FROM table_name_29 WHERE long_term_gain_on_collectibles = "15%"
SELECT "short_term_capital_gain_rate" FROM "table_name_29" WHERE "15%" = "long_term_gain_on_collectibles"