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_56 (lifespan VARCHAR, imperial VARCHAR, nationality VARCHAR)

### Question ###
what is the lifespan when the imperial height is 7ft 8 in and the nationality is fiji?

### Accurate SQL ###

SELECT lifespan FROM table_name_56 WHERE imperial = "7ft 8 in" AND nationality = "fiji"