Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Title | Series | Director | Production Number | Release date |
| --- | --- | --- | --- | --- |
| Book Revue | LT | Bob Clampett | 8-15, BR 1234 | 1946-01-05 |
| Baseball Bugs | LT | Friz Freleng | 12-14 | 1946-02-02 |
| Holiday for Shoestrings | MM | Friz Freleng | 7-14 | 1946-02-23 |
| Quentin Quail | MM | Chuck Jones | 6-15 | 1946-03-02 |
| Baby Bottleneck | LT | Bob Clampett | 12-15, BR 1256 | 1946-03-16 |
| Hare Remover | MM | Frank Tashlin (uncredited) | 10-14 | 1946-03-23 |
| Daffy Doodles | MM | Robert McKimson | 13-15, BR 1307 | 1946-04-06 |
| Hollywood Canine Canteen | MM | Robert McKimson | 11-14 | 1946-04-20 |
| Hush My Mouse | LT | Chuck Jones | 13-14, BR 1258 | 1946-05-04 |
| Hair-Raising Hare | MM | Chuck Jones | 1-15 | 1946-05-25 |
| Kitty Kornered | LT | Bob Clampett | 1-16 | 1946-06-08 |
| Hollywood Daffy | MM | Friz Freleng (uncredited) | 2-15 | 1946-06-22 |
| Acrobatty Bunny | LT | Robert McKimson | 3-15 | 1946-06-29 |
| Eager Beaver, The | MM | Chuck Jones | 2-16, BR 1354 | 1946-07-13 |
| Great Piggy Bank Robbery, The | LT | Bob Clampett | M-4-15 | 1946-07-20 |
| Bacall to Arms | MM | Bob Clampett | 1017 | 1946-08-03 |
| Of Thee I Sting | LT | Friz Freleng | 3-16, BR 1260 | 1946-08-17 |
| Walky Talky Hawky | MM | Robert McKimson | 4-16, BR 1353 | 1946-08-31 |
| Racketeer Rabbit | LT | Friz Freleng | M-5-15 | 1946-09-14 |
| Fair and Worm-er | MM | Chuck Jones | 5-16, BR 1401 | 1946-09-28 |
| Big Snooze, The | LT | Bob Clampett (uncredited) | L-6-16 | 1946-10-05 |
| The Mouse-Merized Cat | MM | Robert McKimson | 7-15, BR 1404 | 1946-10-19 |
| Mouse Menace | LT | Arthur Davis | 1028, BR 1358 | 1946-11-02 |
| Rhapsody Rabbit | MM | Friz Freleng | 1040 | 1946-11-09 |
| Roughly Squeaking | LT | Chuck Jones | 7-16, BR 1357 | 1946-11-23 |
Question:
What is the Series of the Filmography with a Production Number of M-4-15?
Answer:
LT