user: Question: What is the total matches in 2002 where points won is larger than 1.5 and the points % is smaller than 50?
Columns: ['Year', 'Total matches', 'Total W-L-H', 'Singles W-L-H', 'Fourballs W-L-H', 'Points won', 'Points %']
Types: ['text', 'real', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Career', 34.0, '15–12–7', '6–1–2', '3–5–2', 18.5, 54.4]
SQL:

assistant: SELECT "Total matches" FROM "Table" WHERE "Points won" > 1.5 AND "Year" = '2002' AND "Points %" < 50.0;