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:
| No. in series | No. in season | Title | Directed by | Written by | Original air date | Production code |
| --- | --- | --- | --- | --- | --- | --- |
| 125.0 | 1.0 | "Denise: The Saga Continues" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | September 21, 1989 | 601.0 |
| 126.0 | 2.0 | "Surf's Up" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | September 28, 1989 | 602.0 |
| 127.0 | 3.0 | "I'm 'In' With the 'In' Crowd" | Tony Singletary | Carmen Finestra, Gary Kott & John Markus | October 5, 1989 | 603.0 |
| 128.0 | 4.0 | "Denise Kendall: Navy Wife" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | October 12, 1989 | 605.0 |
| 129.0 | 5.0 | "Theo's Gift" | Jay Sandrich | Mark St. Germain | October 19, 1989 | 604.0 |
| 130.0 | 6.0 | "Denise Kendall: Babysitter" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | October 26, 1989 | 606.0 |
| 131.0 | 7.0 | "Shall We Dance?" | Jay Sandrich | Carmen Finestra & Gary Kott & John Markus | November 2, 1989 | 607.0 |
| 132.0 | 8.0 | "The Day the Spores Landed" | Neema Barnette | Carmen Finestra & Gary Kott & John Markus | November 9, 1989 | 608.0 |
| 133.0 | 9.0 | "Cliff's Wet Adventure" | Jay Sandrich | Carmen Finestra & John Markus | November 16, 1989 | 610.0 |
| 134.0 | 10.0 | "Grampy and Nu-Nu Visit the Huxtables" | Tony Singletary | Gary Kott & John Markus | November 30, 1989 | 609.0 |
| 135.0 | 11.0 | "Cliff la Douce" | Jay Sandrich | Carmen Finestra & Gary Kott | December 7, 1989 | 611.0 |
| 136.0 | 12.0 | "Getting to Know You" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | December 14, 1989 | 612.0 |
| 137.0 | 13.0 | "Elvin Pays for Dinner" | Jay Sandrich | Gary Kott & John Markus | January 4, 1990 | 613.0 |
| 139.0 | 15.0 | "Denise Kendall: Singles Counselor" | Tony Singletary | Carmen Finestra & John Markus | January 18, 1990 | 614.0 |
| 140.0 | 16.0 | "The Birthday Party" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | January 25, 1990 | 615.0 |
| 141.0 | 17.0 | "Not Everybody Loves the Blues" | Chuck Vinson | Mark St. Germain | February 1, 1990 | 616.0 |
| 142.0 | 18.0 | "Rudy's Walk on the Wild Side" | Jay Sandrich | Lore Kimbrough & Ehrich Van Lowe | February 8, 1990 | 617.0 |
| 143.0 | 19.0 | "The Cosby Outtakes Show" | Chuck Vinson | Carmen Finestra & Gary Kott & John Markus | February 12, 1990 | 618.0 |
| 144.0 | 20.0 | "Mr. Sandman" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | February 15, 1990 | 619.0 |
| 145.0 | 21.0 | "Isn't It Romantic?" | Tony Singletary | Carmen Finestra & Gary Kott & John Markus | February 22, 1990 | 620.0 |
| 146.0 | 22.0 | "Theo's Dirty Laundry" | Jay Sandrich | Carmen Finestra & Gary Kott & John Markus | March 15, 1990 | 621.0 |
| 147.0 | 23.0 | "What's It All About?" | Jay Sandrich | Carmen Finestra & John Markus | March 22, 1990 | 622.0 |
| 148.0 | 24.0 | "Off to See the Wretched" | Carl Lauten & Malcolm-Jamal Warner | Mark St. Germain | April 5, 1990 | 623.0 |
| 149.0 | 25.0 | "The Moves" | Tony Singletary | Mark St. Germain | April 19, 1990 | 624.0 |
| 150.0 | 26.0 | "Live and Learn" | Tony Singletary | Matt Robinson | April 26, 1990 | 625.0 |
Question:
Which title has 147 as no. in series?
Answer:
"What's It All About?"