CREATE TABLE table_name_71 (date VARCHAR, streak VARCHAR, team VARCHAR)

Which Date has a Streak of loss 2, and a Team of @ boston celtics?
SELECT date FROM table_name_71 WHERE streak = "loss 2" AND team = "@ boston celtics"
SELECT "date" FROM "table_name_71" WHERE "@ boston celtics" = "team" AND "loss 2" = "streak"