user: Question: What is the Round against Gillingham with an Against smaller than 3?
Columns: ['Opposing Team', 'Against', 'Date', 'Venue', 'Round']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Gillingham', 1.0, '20 August 1991', 'Fratton Park', '1st Round 1st Leg']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Opposing Team" = 'Gillingham' AND "Against" < 3.0;