CREATE TABLE table_name_78 (home VARCHAR, date VARCHAR, decision VARCHAR, visitor VARCHAR)

What was the home team in the February 22 game that Legace played in for the St. Louis Blues?
SELECT home FROM table_name_78 WHERE decision = "legace" AND visitor = "st. louis" AND date = "february 22"
SELECT "home" FROM "table_name_78" WHERE "date" = "february 22" AND "decision" = "legace" AND "st. louis" = "visitor"