Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_72 ( highest_score INTEGER, dance VARCHAR, lowest_score VARCHAR )

### Question ###
What is the lowest of the Highest score for the Quickstep Dance and the Lowest score under 16?

### Accurate SQL ###

SELECT MIN(highest_score) FROM table_name_72 WHERE dance = "quickstep" AND lowest_score < 16