Who was the senior US senator in the state whose governor was D. Patrick?
CREATE TABLE "political_party_strength" (
  "state" text,
  "governor" text,
  "senior_u_s_senator" text,
  "junior_u_s_senator" text,
  "u_s_house_delegation" text,
  "upper_house_majority" text,
  "lower_house_majority" text
);
SELECT "senior_u_s_senator" FROM "political_party_strength" WHERE "governor"='D. Patrick';