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_45275 ( "Senator" text, "Party" text, "District" real, "Home Town" text, "Took Office" real )

### Question ###
What is the earliest date of taking office for district 22?

### Accurate SQL ###

SELECT MIN("Took Office") FROM table_45275 WHERE "District" = '22'