CREATE TABLE table_73093 ("Election" FLOAT, "Leader" TEXT, "# of candidates" FLOAT, "# of seats to be won" FLOAT, "# of seats won" FLOAT, "# of total votes" FLOAT, "% of popular vote" TEXT)

Name the number of seats to be won being % of popular vote at 6.88%
SELECT "# of seats to be won" FROM table_73093 WHERE "% of popular vote" = '6.88%'
SELECT "# of seats to be won" FROM "table_73093" WHERE "% of popular vote" = '6.88%'