Table: blue_jays_1991_games
Columns: date
opponent
score
loss
attendance
record

Question: Which opponent has a loss of wells (1-3)?
SQL: SELECT "opponent" FROM blue_jays_1991_games WHERE "loss" = 'wells (1-3)'

Question: What is the largest attendance that has tigers as the opponent and a loss of leiter (0-1)?
SQL: SELECT MAX("attendance") FROM blue_jays_1991_games WHERE "opponent" = 'tigers' AND "loss" = 'leiter (0-1)'