Question: How many times was team 1 the Wykeham Wonderers?
SQL: SELECT COUNT("Players left after Round 1") FROM "1-18733480-1" WHERE "Team 1" = 'Wykeham Wonderers';

Question: What is the original air date that had the Wykeham Wonderers as team 1?
SQL: SELECT "Air date" FROM "1-18733480-1" WHERE "Team 1" = 'Wykeham Wonderers';

Question: Who was team 1 when the Chalkheads were team 2?
SQL: SELECT "Team 1" FROM "1-18733480-1" WHERE "Team 2" = 'Chalkheads';