CREATE TABLE table_43472 ("Game" FLOAT, "February" FLOAT, "Opponent" TEXT, "Score" TEXT, "Record" TEXT)

What is the earliest day that had a game against the Boston Bruins?
SELECT MIN("February") FROM table_43472 WHERE "Opponent" = 'boston bruins'
SELECT MIN("February") FROM "table_43472" WHERE "Opponent" = 'boston bruins'