user: Question: What is the total rank of the match with tipperary as the opposition?
Columns: ['Rank', 'Player', 'County', 'Tally', 'Total', 'Opposition']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'Tommy Ring', 'Westmeath', '2-3', 9.0, 'Offaly']
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Opposition" = 'tipperary';