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 | Status | Opponent |
| --- | --- | --- | --- | --- | --- |
| Washington1 | Maria Cantwell | Democratic | 1992.0 | Defeated Republican gain | Rick White (R) 51.7% Maria Cantwell (D) 48.3% |
| Washington2 | Al Swift | Democratic | 1978.0 | Retired Republican gain | Jack Metcalf (R) 54.7% Harriet Spanel (D) 45.3% |
| Washington4 | Jay Inslee | Democratic | 1992.0 | Defeated Republican gain | Doc Hastings (R) 53.3% Jay Inslee (D) 46.7% |
| Washington5 | Tom Foley | Democratic | 1964.0 | Defeated Republican gain | George Nethercutt (R) 50.9% Tom Foley (D) 49.1% |
| Washington6 | Norman D. Dicks | Democratic | 1976.0 | Re-elected | Norman D. Dicks (D) 58.3% Benjamin Gregg (D) 41.7% |
| Washington7 | Jim McDermott | Democratic | 1988.0 | Re-elected | Jim McDermott (D) 75.1% Keith Harris (R) 24.9% |
| Washington8 | Jennifer Dunn | Republican | 1992.0 | Re-elected | Jennifer Dunn (R) 76.1% Jim Wyrick (D) 23.9% |
Question:
What year was incumbent jim mcdermott first elected?
Answer:
1988.0