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_27443 ( "Prefecture" text, "City/Town" text, "High School Name" text, "Year of Previous Participation" text, "Total Number of Participation" real )

### Question ###
How many previous years did Maebashi Ikuei high school have a total number of 1 participation?

### Accurate SQL ###

SELECT COUNT("Year of Previous Participation") FROM table_27443 WHERE "Total Number of Participation" = '1' AND "High School Name" = 'Maebashi Ikuei'