CREATE TABLE table_name_29 (home VARCHAR2, visitor VARCHAR2, date VARCHAR2)

What is the home team of the game on May 22 with the Edmonton Oilers as the visiting team?
SELECT home FROM table_name_29 WHERE visitor = "edmonton oilers" AND date = "may 22"
SELECT "home" FROM "table_name_29" WHERE "date" = "may 22" AND "edmonton oilers" = "visitor"