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 |
| --- | --- | --- | --- | --- | --- |
| New York2 | Thomas Downey | Democratic | 1974.0 | Lost reelection Republican gain | Rick Lazio (R) 50.8% Thomas Downey (D) 49.2% |
| New York3 | Robert J. Mrazek | Democratic | 1982.0 | Retired to run for the U.S. Senate Republican gain | Peter T. King (R) 49.6% Steve Orlins (D) 46.5% |
| New York4 | Norman F. Lent | Republican | 1970.0 | Retired Republican hold | David A. Levy (R) 50.4% Philip Schiliro (D) 49.6% |
| New York5 | Raymond J. McGrath | Republican | 1980.0 | Retired | Gary Ackerman (D) 56.1% Allan E. Binder (R) 43.9% |
| New York5 | Gary Ackerman Redistricted from the 7th district | Democratic | 1982.0 | Re-elected | Gary Ackerman (D) 56.1% Allan E. Binder (R) 43.9% |
| New York8 | Jerrold Nadler Redistricted from the 17th district | Democratic | 1986.0 | Re-elected | Jerrold Nadler (D) 83.8% David L. Askren (R) 16.2% |
| New York10 | Edolphus Towns Redistricted from the 11th district | Democratic | 1982.0 | Re-elected | Edolphus Towns (D) 95.6 Owen Augustin (C) 4.4% |
| New York11 | Major R. Owens Redistricted from the 12th district | Democratic | 1982.0 | Re-elected | Major R. Owens (D) 94.7% Michael Gaffney (C) 5.3% |
| New York13 | Susan Molinari Redistricted from the 14th district | Republican | 1990.0 | Re-elected | Susan Molinari (R) 57.3% Sal F. Albanese (D) 42.7% |
| New York17 | Eliot L. Engel Redistricted from the 19th district | Democratic | 1988.0 | Re-elected | Eliot L. Engel (D) 85.2% Martin Richman (R) 14.8% |
| New York25 | James T. Walsh Redistricted from the 27th district | Republican | 1988.0 | Re-elected | James T. Walsh (R) 54.0% Rhea Jezer (D) 46.0% |
| New York26 | David O'Brien Martin | Republican | 1980.0 | Retired Democratic gain | Maurice Hinchey (D) 53.4% Bob Moppert (R) 46.6% |
Question:
 how many first elected with result being re-elected and incumbent being gary ackerman redistricted from the 7th district
Answer:
1.0