Table: blue_jays_1979
Columns: date
opponent
score
loss
record

Question: What was the date of the game that had a loss of Willis (0–1)?
SQL: SELECT "date" FROM blue_jays_1979 WHERE "loss" = 'willis (0–1)'

Question: What was the opponent at the game that had a loss of Travers (0–2)?
SQL: SELECT "opponent" FROM blue_jays_1979 WHERE "loss" = 'travers (0–2)'