What is the sum of the values for Largest Component, Fractional Share, when Constellation is E, and when N, Golosov is greater than 2.9?
CREATE TABLE "values" (
  "constellation" text,
  "largest_component_fractional_share" real,
  "other_components_fractional_shares" text,
  "n_laakso_taagepera" real,
  "n_golosov" real
);
SELECT SUM("largest_component_fractional_share") FROM "values" WHERE "constellation"='e' AND "n_golosov">2.9;