CREATE TABLE table_39462 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "Attendance" FLOAT)

What was the lowest attendance at a game against the St. Louis Cardinals?
SELECT MIN("Attendance") FROM table_39462 WHERE "Opponent" = 'st. louis cardinals'
SELECT MIN("Attendance") FROM "table_39462" WHERE "Opponent" = 'st. louis cardinals'