Table schema:
CREATE TABLE table_name_69 (election INTEGER, _number_of_seats_won VARCHAR, _number_of_candidates_nominated VARCHAR, _percentage_of_popular_vote VARCHAR)

Question: What is the earliest election with more than 7 candidates nominated, a percentage of the popular vote of 2.75%, and 0 seats won?
SQL: SELECT MIN(election) FROM table_name_69 WHERE _number_of_candidates_nominated > 7 AND _percentage_of_popular_vote = "2.75%" AND _number_of_seats_won < 0