human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Rd, Name, Pole Position, Fastest Lap, Winning driver, Winning team, Report
###Question: How many winning drivers in the kraco twin 125 (r2) race were there?
gpt
SELECT COUNT Winning driver FROM table WHERE Name = Kraco Twin 125 (R2)