CREATE TABLE table_15396 ("Date" CLOB, "Opponent" CLOB, "Site" CLOB, "Score" CLOB, "Loss" CLOB)

Where was the game on Thursday, April 29, and they played the Chicago Cubs?
SELECT "Site" FROM table_15396 WHERE "Opponent" = 'chicago cubs' AND "Date" = 'thursday, april 29'
SELECT "Site" FROM "table_15396" WHERE "Date" = 'thursday, april 29' AND "Opponent" = 'chicago cubs'