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_89 ( nation VARCHAR, time VARCHAR, heat_semifinal_final VARCHAR )

### Question ###
What nation has a time of 51.35 in the final heat?

### Accurate SQL ###

SELECT nation FROM table_name_89 WHERE time = "51.35" AND heat_semifinal_final = "final"