CREATE TABLE table_19823 ("States" TEXT, "Fall 05" FLOAT, "Fall 06" FLOAT, "Fall 07" FLOAT, "Fall 08" FLOAT, "Fall 09" FLOAT)

What is the number of students in Fall 09 from the state that had 3940 in Fall 07?
SELECT MAX("Fall 09") FROM table_19823 WHERE "Fall 07" = '3940'
SELECT MAX("Fall 09") FROM "table_19823" WHERE "Fall 07" = '3940'