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: In his first season in 1997, the 49ers went during the regular season, earning home-field advantage in the playoffs in the National Football Conference (NFC). After defeating the Minnesota Vikings in the divisional round, San Francisco hosted the Green Bay Packers in the NFC Championship Game, but in a muddy, rainy contest at Candlestick Park. The defeat was the 49ers' fourth NFC title loss of the 1990s, following losses to the New York Giants in 1990 and the Dallas Cowboys in 1992 and 1993, and it was their third playoff loss to the Packers in as many seasons. In 1998, the 49ers posted a 124 record and returned to the playoffs as a wild-card team, but to the eventual NFC champion Atlanta Falcons. Two losing seasons followed, but in 2001, the 49ers returned to the playoffs after season, once again to be eliminated by the Packers.
Link Information: The 49ers hosted eight NFC Championship games during their time at Candlestick. Answer: eight
A:
How many NFC Championship games have been played at Candlestick Park from it's construction up until the game in 1997?