user: Question: How many goals was by rix from eng who started before 2005 in the youth system?
Columns: ['Nat.', 'Name', 'Since', 'Goals', 'Ends', 'Transfer fee']
Types: ['text', 'text', 'real', 'real', 'text', 'text']
Sample row: ['ENG', 'Williams', 2004.0, 0.0, '30 Jun 2008', 'Free']
SQL:

assistant: SELECT "Goals" FROM "Table" WHERE "Nat." = 'eng' AND "Transfer fee" = 'youth system' AND "Since" < 2005.0 AND "Name" = 'rix';