CREATE TABLE table_74658 ("Party" CLOB, "Seats" CLOB, "Net gain/loss" CLOB, "% of seats" CLOB, "% of votes" CLOB)

When there was a net gain/loss of +34, what was the percentage of seats that party held?
SELECT "% of seats" FROM table_74658 WHERE "Net gain/loss" = '+34'
SELECT "% of seats" FROM "table_74658" WHERE "Net gain/loss" = '+34'