CREATE TABLE table_68863 ("Episode No." FLOAT, "Airdate" CLOB, "Total Viewers" FLOAT, "Share" CLOB, "BBC One Weekly Ranking" CLOB)

What's the share of Episode 1?
SELECT "Share" FROM table_68863 WHERE "Episode No." = '1'
SELECT "Share" FROM "table_68863" WHERE "Episode No." = '1'