Teacher:In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Teacher: Now, understand the problem? Solve this instance: Passage: Zigic was born in Backa Topola, in what was then SFR Yugoslavia. He began playing football as a youngster with AIK Backa Topola, and scored 68 goals from 76 first-team matches over a three-year period in the third tier of Yugoslav football. Military service took him to Bar in 2001, where he was able to continue his goalscoring career with the local second-level club Mornar. A brief spell back in the third tier with Kolubara preceded his turning professional with First League side Red Star Belgrade in January 2003. He spent time on loan at third-tier Spartak Subotica before making his Red Star debut later that year. Despite suggestions that his height, of , made him better suited to sports other than football, Zigic ended the season as First League top scorer, domestic player of the year, league champion and scorer of the winning goal in the cup final. He won a second leaguecup double in 200506, a second player of the year award, and finished his three-year Red Star career with 70 goals from 109 appearances in all competitions.
Link Information: With 30 national championships, 24 national cups, 2 national supercups and one league cup between Serbian and Yugoslav competitions, Red Star was the most successful club in Yugoslavia Answer: 30
Student:
How many championships have been won by the team Zigic turned professional with in 2003?