Mark skaife ชนะการแข่งขันไปกี่ครั้ง ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
how many races were won by mark skaife ?It is not neccessary to use all the tables.
 table_203_271:  id [ number]  "date" [ text]  "series" [ text]  "circuit" [ text]  "winner" [ text]  "team" [ text]  "car" [ text]  "report" [ text] 
SELECT COUNT(*) FROM table_203_271 WHERE "winner" = 'mark skaife'