Definition: 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.
Input: Passage: Yamaguchi was born in Takasaki on January 29, 1969. After graduating from Tokai University, he joined All Nippon Airways (later Yokohama Flugels) in 1991. The club won 1993 Emperor's Cup their first time in major title. In Asia, the club also won 199495 Asian Cup Winners' Cup. In 1998, the club won Emperor's Cup. However the club was disbanded end of 1998 season due to financial strain, he moved to Nagoya Grampus Eight with Seigo Narazaki in 1999. The club won 1999 Emperor's Cup. He moved to J2 League club Albirex Niigata in 2003. The club won the champions in 2003 and was promoted to J1 League. In August 2005, he moved to J2 League club Yokohama FC was founded by Yokohama Flugels supporters. The club won the champions in 2006 and was promoted to J1 League. He retired end of 2007 season. He also served as captain in all teams.
Link Information: the infrastructure of the league was heavily changed in 1999. The league acquired nine clubs from the semi-professional JFL and one club from J.League to create a two division system. The top flight became the J.League Division 1 (J1) with 16 clubs while J.League Division 2 (J2) was launched with ten clubs in 1999. Answer: 16
Output:
How many teams were in J1 League in 2003?