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_50812 ( "Edition" text, "Round" text, "Date" text, "Against" text, "Surface" text, "Opponent" text, "Result" text )

### Question ###
what is the surface when the round is gii play-offs and the edition is 2009 fed cup europe/africa group ii?

### Accurate SQL ###

SELECT "Surface" FROM table_50812 WHERE "Round" = 'gii play-offs' AND "Edition" = '2009 fed cup europe/africa group ii'