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:
| District | Counties Represented | Delegate | Party | First Elected | Committee |
| --- | --- | --- | --- | --- | --- |
| 09.1 9A | Howard | Bates, Gail H. Gail H. Bates | Republican | 2002.0 | Appropriations |
| 09.1 9A | Howard | Miller, Warren E. Warren E. Miller | Republican | 2003.0 | Economic Matters |
| 12.1 12A | Baltimore County , Howard | DeBoy, Steven J. Sr. Steven J. DeBoy, Sr. | Democratic | 2002.0 | Appropriations |
| 12.1 12A | Baltimore County , Howard | Malone, James E. Jr. James E. Malone, Jr. | Democratic | 1994.0 | Environmental Matters (Vice-Chair) |
| 12.2 12B | Howard | Bobo, Elizabeth Elizabeth Bobo | Democratic | 1994.0 | Environmental Matters |
| 13 | Howard | Pendergrass, Shane E. Shane Pendergrass | Democratic | 1994.0 | Health and Government Operations |
| 13 | Howard | Guzzone, Guy Guy Guzzone | Democratic | 2006.0 | Appropriations |
Question:
What are the counties represented in District 12.1 12a?
Answer:
Baltimore County , Howard, Baltimore County , Howard