Table: fc_st_gallen_matches
Columns: season
competition
round
opponent
home
away

Question: What is the home team of the UEFA cup in the 2000-2001 season with a second round?
SQL: SELECT "home" FROM fc_st_gallen_matches WHERE "competition" = 'uefa cup' AND "season" = '2000-2001' AND "round" = 'second round'

Question: What is the away team of the UEFA champions league?
SQL: SELECT "away" FROM fc_st_gallen_matches WHERE "competition" = 'uefa champions league'