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_20625 ( "No." real, "Name" text, "Mi from Kingston" text, "Km from Kingston" text, "Parish" text, "Length feet" real, "Length meters" text )

### Question ###
When the kilometers from kingston is 105.4 what is the minimum amount of length in feet?

### Accurate SQL ###

SELECT MIN("Length feet") FROM table_20625 WHERE "Km from Kingston" = '105.4'