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 | Incumbent | Party | First elected | Result | Candidates |
| --- | --- | --- | --- | --- | --- |
| California 1 | Hubert B. Scudder | Republican | 1948.0 | Re-elected | Hubert B. Scudder (R) 54.0% Roger Kent (D) 46.0% |
| California 2 | Clair Engle | Democratic | 1943.0 | Re-elected | Clair Engle (D) Unopposed |
| California 3 | J. Leroy Johnson | Republican | 1942.0 | Re-elected | J. Leroy Johnson (R) Unopposed |
| California 5 | John Shelley | Democratic | 1949.0 | Re-elected | John Shelley (D) Unopposed |
| California 6 | George Paul Miller | Democratic | 1944.0 | Re-elected | George Paul Miller (D) Unopposed |
| California 9 | Cecil F. White | Democratic | 1948.0 | Lost re-election Republican gain | Allan O. Hunter (R) 52.0% Cecil F. White (D) 48.0% |
| California 17 | Cecil R. King | Democratic | 1942.0 | Re-elected | Cecil R. King (D) Unopposed |
| California 18 | Clyde Doyle | Democratic | 1948.0 | Re-elected | Clyde Doyle (D) 50.5% Craig Hosmer (R) 49.5% |
Question:
How many districts have an incumbent first elected in 1944?
Answer:
1.0