user: Question: Tell me the sum of bp 2nd comp with bp azeo of 57.5
Columns: ['2nd component', 'b.p. 2nd comp. (˚C)', '3rd component', 'b.p. 3rd comp. (˚C)', 'b.p. azeo. (˚C)']
Types: ['text', 'real', 'text', 'real', 'real']
Sample row: ['acetone', 56.5, 'chloroform ‡', 61.2, 57.5]
SQL:

assistant: SELECT SUM("b.p. 2nd comp. (˚C)") FROM "Table" WHERE "b.p. azeo. (˚C)" = 57.5;