user: Question: How many rushing yards where there when the opponent was Indiana and there was 503 passing yards?
Columns: ['Rank', 'Player', 'Year', 'Opponent', 'Passing yards', 'Rushing yards', 'Total offense']
Types: ['real', 'text', 'real', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Devin Gardner', 2013.0, 'Indiana', 503.0, 81.0, 584.0]
SQL:

assistant: SELECT "Rushing yards" FROM "Table" WHERE "Opponent" = 'Indiana' AND "Passing yards" = 503.0;