CREATE TABLE table_name_7 (score VARCHAR2, couple VARCHAR2, style VARCHAR2)

Which Score has a Couple of cristi n & cheryl, and a Style of cha-cha-cha?
SELECT score FROM table_name_7 WHERE couple = "cristián & cheryl" AND style = "cha-cha-cha"
SELECT "score" FROM "table_name_7" WHERE "cha-cha-cha" = "style" AND "couple" = "cristián & cheryl"