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 | Results | Candidates |
| --- | --- | --- | --- | --- | --- |
| Illinois 3 | Bill Lipinski | Democratic | 1982.0 | Re-elected | Bill Lipinski (D) 72.5% Robert Marshall (R) 27.5% |
| Illinois 5 | Rod Blagojevich | Democratic | 1996.0 | Re-elected | Rod Blagojevich (D) 74% Alan Spitz (R) 26% |
| Illinois 7 | Danny K. Davis | Democratic | 1996.0 | Re-elected | Danny K. Davis (D) 92.9% Dorn Van Cleave (L) 7.1% |
| Illinois 8 | Phil Crane | Republican | 1969.0 | Re-elected | Phil Crane (R) 68.6% Mike Rothman (D) 31.4% |
| Illinois 10 | John Porter | Republican | 1980.0 | Re-elected | John Porter (R) unopposed |
| Illinois 11 | Jerry Weller | Republican | 1994.0 | Re-elected | Jerry Weller (R) 58.8% Gary Mueller (D) 41.2% |
| Illinois 12 | Jerry Costello | Democratic | 1988.0 | Re-elected | Jerry Costello (D) 60.4% William Price (R) 39.6% |
| Illinois 13 | Harris Fawell | Republican | 1984.0 | Retired Republican hold | Judy Biggert (R) 61% Susan Hynes (D) 39% |
| Illinois 14 | Dennis Hastert | Republican | 1986.0 | Re-elected | Dennis Hastert (R) 69.8% Robert Cozzi (D) 30.2% |
| Illinois 15 | Thomas Ewing | Republican | 1991.0 | Re-elected | Thomas Ewing (R) 61.6% Laurel Prussing (D) 38.4% |
| Illinois 16 | Donald A. Manzullo | Republican | 1992.0 | Re-elected | Donald A. Manzullo (R) unopposed |
| Illinois 17 | Lane Evans | Democratic | 1982.0 | Re-elected | Lane Evans (D) 51.6% Mark Baker (R) 48.4% |
| Illinois 18 | Ray LaHood | Republican | 1994.0 | Re-elected | Ray LaHood (R) unopposed |
| Illinois 19 | Glenn Poshard | Democratic | 1988.0 | Retired to run for Governor Democratic hold | David D. Phelps (D) 58.3% Brent Winters (R) 41.7% |
Question:
What district was John Porter elected in?
Answer:
Illinois 10