CREATE TABLE table_73859 ("Constituency" CLOB, "Candidate" CLOB, "Affiliation" CLOB, "Votes -cast" FLOAT, "Result - %" CLOB, "Loss/gain" CLOB)

What was the loss/gain when the votes -cast was 166?
SELECT "Loss/gain" FROM table_73859 WHERE "Votes -cast" = '166'
SELECT "Loss/gain" FROM "table_73859" WHERE "Votes -cast" = '166'