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:
| Year | Title | Format | Studio | Release Date | Copyright Information | Catalog Number |
| --- | --- | --- | --- | --- | --- | --- |
| 1986.0 | Callanetics: 10 Years Younger In 10 Hours | VHS/Betamax | MCA | November 4, 1986 | Callan Productions Corp. | 80429 / BTA80429 |
| 1993.0 | Callanetics: 10 Years Younger In 10 Hours | LaserDisc | MCA Universal | January 27, 1993 | Callan Productions Corp. | 40429 |
| 1988.0 | Super Callanetics | VHS | MCA Universal | October 6, 1988 | Callan Productions Corp. | 80809 |
| 1989.0 | Beginning Callanetics | VHS | MCA Universal | October 5, 1989 | Callan Productions Corp. | 80892 |
| 1991.0 | Quick Callanetics: Stomach | VHS | MCA Universal | October 3, 1991 | Callan Productions Corp. | 81062 |
| 1991.0 | Quick Callanetics: Legs | VHS | MCA Universal | October 3, 1991 | Callan Productions Corp. | 81061 |
| 1991.0 | Quick Callanetics: Hips and Behind | VHS | MCA Universal | October 3, 1991 | Callan Productions Corp. | 81063 |
| 1992.0 | AM/PM Callanetics | VHS | MCA Universal | October 22, 1992 | Callan Productions Corp. | 81258 |
| 1994.0 | The Secrets Of Callanetics | VHS | MCA Universal | December, 1994 | Callan Productions Corp. | 81868 |
Question:
What format is after 1991 and has a Catalog Number of 81868?
Answer:
VHS