Detailed Instructions: 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.
Q: Passage: Blackpool Borough were the first professional rugby league club in the town. However, they eventually folded after leaving the town in 1987. Blackpool Panthers were formed in 2004 and played in Co-operative Championship One. They ground-shared at Bloomfield Road then in 2007 at Woodlands Memorial Ground, the home of Fylde Rugby Club in the neighbouring town of Lytham St Annes. The club ceased to exist after the 2010 season due to lack of finance. Blackpool also has a rugby union club, called Blackpool RUFC. Their home ground is Norbreck Rugby Ground. The resort formerly held the now discontinued Northern Rail Cup Final at Bloomfield Road, a Rugby League knockout competition for all clubs outside of the Super League attracting many thousands of visitors.
Link Information: The Rugby League Championships (known as the National Leagues between 2003-2008) are the two professional divisions below the Super League, consisting of 12 teams in the Championship and 14 teams in League 1. Answer: 14 teams
A:
How many teams were in the league that the Panthers played in in 2004?