CREATE TABLE "top_up_additional_member_system_results" (
  "party" text,
  "votes" real,
  "share" text,
  "change" text,
  "seats" text
);

Question: Name the change with share of 2.9%
SQL: SELECT "change" FROM "top_up_additional_member_system_results" WHERE "share"='2.9%';

Question: Name the change for english democrats
SQL: SELECT "change" FROM "top_up_additional_member_system_results" WHERE "party"='english democrats';

Question: Name the average votes for one london
SQL: SELECT AVG("votes") FROM "top_up_additional_member_system_results" WHERE "party"='one london';