CREATE TABLE table_11552 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT, "Record" TEXT)

What day was St. Louis the visitor?
SELECT "Date" FROM table_11552 WHERE "Visitor" = 'st. louis'
SELECT "Date" FROM "table_11552" WHERE "Visitor" = 'st. louis'