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_62115 ( "Outcome" text, "Date" text, "Championship" text, "Surface" text, "Opponent in the final" text, "Score in the final" text )

### Question ###
What type of surface did they play on 23 October 2000?

### Accurate SQL ###

SELECT "Surface" FROM table_62115 WHERE "Date" = '23 october 2000'