CREATE TABLE "ternary_azeotropes" (
  "2nd_component" text,
  "b_p_2nd_comp_c" real,
  "3rd_component" text,
  "b_p_3rd_comp_c" real,
  "b_p_azeo_c" real
);

Question: Tell me the sum of bp 2nd comp with bp azeo of 57.5
SQL: SELECT SUM("b_p_2nd_comp_c") FROM "ternary_azeotropes" WHERE "b_p_azeo_c"=57.5;