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_28312 ( "Rank" real, "Player" text, "Year" real, "Opponent" text, "Passing yards" real, "Rushing yards" real, "Total offense" real )

### Question ###
How many rushing yards where there when the opponent was Indiana and there was 503 passing yards?

### Accurate SQL ###

SELECT "Rushing yards" FROM table_28312 WHERE "Opponent" = 'Indiana' AND "Passing yards" = '503'