Table: indians_2004_game
Columns: date
opponent
score
loss
attendance
record

Question: When did the Indians play a game with 15,105 people in attendance?
SQL: SELECT "date" FROM indians_2004_game WHERE "attendance" = '15,105'

Question: Who did the Indians play on April 23?
SQL: SELECT "opponent" FROM indians_2004_game WHERE "date" = 'april 23'