CREATE TABLE table_27529608_21 (qtr_final__week_ INT, genre VARCHAR, age_s_ VARCHAR)

What is the earliest quarterfinal week when the genre is dancing and the act is 32?
SELECT MIN(qtr_final__week_) FROM table_27529608_21 WHERE genre = "Dancing" AND age_s_ = "32"
SELECT MIN("qtr_final__week_") FROM "table_27529608_21" WHERE "32" = "age_s_" AND "Dancing" = "genre"