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:
| Number/name | Wheel arrangement | Builder | Year | Disposition and\nLocation |
| --- | --- | --- | --- | --- |
| 1\nSan Francisco | 4-4-0 | Norris Locomotive Works | 1862 | To Southern Pacific #2, #1109. Unknown. |
| 2\nSan Jose | 4-4-0 | Norris Locomotive Works | 1862 | To SF&NP as Little Josie. To Northwestern Pacific Railroad #1. Retired in 1921. |
| 3\nT. Dame | 4-4-0 | Norris Locomotive Works |  | To Southern Pacific #3, #1110. Unknown. |
| 4\nA.H. Houston | 4-4-0 | Cooke Locomotive and Machine Works | 11/1863 | To Southern Pacific #4. Unknown. |
| 5\nChas. McLaughlin | 4-4-0 | Cooke Locomotive and Machine Works |  | To Southern Pacific #5. Unknown. |
| 6\nCalifornia | 4-4-0 | H. J. Booth at Union Iron Works | 7/1865 | To Southern Pacific #6, #1303. Rebuilt 1873. Scrapped in 1911. |
| 7\nAtlantic | 4-4-0 | H.J. Booth at Union Iron Works | 1865 | To Southern Pacific #7, #1231, scrapped in 1895. |
| 8\nUnion | 0-4-0 | H.J. Booth at Union Iron Works | 6/1867 | To Southern Pacific #8, #1002. Unknown. |
| 9\nDonahue | 4-4-0 | Cooke Locomotive and Machine Works | 4/1870 | To Southern Pacific #9. Unknown. |
| 10\nNewhall |  |  |  | To Southern Pacific #10. Unknown. |
| 11\nMenlo Park | 4-4-0 | Mason Machine Works | 4/16/1870 | To Southern Pacific #11. Unknown. |
| 12\nRacer |  | McK/A | 7/1868 | To Southern Pacific #12. Unknown. |
| 13\nShoshone |  | Norris Locomotive Works | 6/1867 | To Southern Pacific #13. Unknown. |
| 14\nRed Eagle |  | Cooke Locomotive and Machine Works | 7/1868 | To Southern Pacific #14. Unknown. |
| 15\nBlack Deer |  | McK/A | 10/1867 | To Southern Pacific #15. Unknown. |
| 16\nReindeer |  | Schenectady Locomotive Works | 11/1868 | To Southern Pacific #1151. Unknown. |
| 17\nMohave |  | Norris Locomotive Works | 7/1860 | To Southern Pacific #17. Unknown. |
| 18\nPeeler |  | Rhode Island Locomotive Works | 11/1868 | To Southern Pacific #18. Unknown. |
| 19\nRaven |  | Schenectady Locomotive Works | 10/1868 | To Southern Pacific #19. Unknown. |
| 20 |  | Baldwin Locomotive Works | 6/1872 | To Southern Pacific #20. Unknown. |
Question:
how many of these locomotives had the same builder as the a.h. houston?
Answer:
3