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 | Elected | Status | Opponent |
| --- | --- | --- | --- | --- | --- |
| California 5 | Nancy Pelosi | Democratic | 1987 | Re-elected | Nancy Pelosi (D) 77.2% Alan Nichols (R) 22.8% |
| California 6 | Barbara Boxer | Democratic | 1982 | Re-elected | Barbara Boxer (D) 68.1% Bill Boerum (R) 31.9% |
| California 7 | George Miller | Democratic | 1974 | Re-elected | George Miller (D) 60.5% Roger A. Payton (R) 39.5% |
| California 8 | Ron Dellums | Democratic | 1970 | Re-elected | Ron Dellums (D) 61.3% Barbara Galewski (R) 38.7% |
| California 9 | Pete Stark | Democratic | 1972 | Re-elected | Pete Stark (D) 58.4% Victor Romero (R) 41.6% |
| California 10 | Don Edwards | Democratic | 1972 | Re-elected | Don Edwards (D) 62.7% Mark Patrosso (R) 37.3% |
| California 15 | Gary Condit | Democratic | 1989 | Re-elected | Gary Condit (D) 66.2% Cliff Burris (R) 33.8% |
| California 18 | Richard H. Lehman | Democratic | 1982 | Re-elected | Richard H. Lehman (D) unopposed |
| California 34 | Ed Torres | Democratic | 1982 | Re-elected | Ed Torres (D) 60.7% John Eastman (R) 39.3% |
| California 36 | George Brown, Jr. | Democratic | 1962/1972 | Re-elected | George Brown, Jr. (D) 52.7% Bob Hammock (R) 47.3% |
| California 38 | Bob Dornan | Republican | 1976/1984 | Re-elected | Bob Dornan (R) 58.1% Barbara Jackson (D) 41.9% |
| California 40 | Christopher Cox | Republican | 1988 | Re-elected | Christopher Cox (R) 67.6% Eugene Gratz (D) 32.4% |
Question:
Who are the incumbents elected in 1974?
Answer:
George Miller