Question: What was the home team with the away team of Rushden & Diamonds?
SQL: SELECT "Home team" FROM "2-15154539-4" WHERE "Away team" = 'Rushden & Diamonds';

Question: For the attendance of 2 January 1999 with a home team of Plymouth Argyle what is the tie no. ?
SQL: SELECT "Tie no" FROM "2-15154539-4" WHERE "Attendance" = '2 January 1999' AND "Home team" = 'Plymouth Argyle';