user: Question: With a Morse Taper number less than 3 and a C (max) of 59.5 what is the total of D (max)?
Columns: ['Morse Taper number', 'Taper', 'B (max)', 'C (max)', 'D (max)']
Types: ['real', 'text', 'real', 'real', 'real']
Sample row: [0.0, '1:19.212', 56.5, 59.5, 10.5]
SQL:

assistant: SELECT SUM("D (max)") FROM "Table" WHERE "Morse Taper number" < 3.0 AND "C (max)" = 59.5;