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_38839 ( "Name" text, "Type" text, "Entered service" text, "Water depth" text, "Location" text )

### Question ###
What type entered service in 2000?

### Accurate SQL ###

SELECT "Type" FROM table_38839 WHERE "Entered service" = '2000'