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_10004 ( "Outcome" text, "Year" real, "Championship" text, "Surface" text, "Opponent" text, "Rank" real, "Round" text )

### Question ###
What is Average Year, when Round is R128 (First Round)?

### Accurate SQL ###

SELECT AVG("Year") FROM table_10004 WHERE "Round" = 'r128 (first round)'