Table: election_results_3
Columns: district
incumbent
party
first_elected
result
candidates

Question:  how many first elected with district being new york2
SQL: SELECT COUNT("first_elected") FROM election_results_3 WHERE "district" = 'New York2'

Question:  how many district with candidates being eliot l. engel (d) 85.2% martin richman (r) 14.8%
SQL: SELECT COUNT("district") FROM election_results_3 WHERE "candidates" = 'Eliot L. Engel (D) 85.2% Martin Richman (R) 14.8%'

Question:  how many candidates with party being democratic and dbeingtrict being new york5
SQL: SELECT COUNT("candidates") FROM election_results_3 WHERE "party" = 'Democratic' AND "district" = 'New York5'

Question:  how many first elected with result being re-elected and incumbent being gary ackerman redistricted from the 7th district
SQL: SELECT COUNT("first_elected") FROM election_results_3 WHERE "result" = 'Re-elected' AND "incumbent" = 'Gary Ackerman Redistricted from the 7th district'