CREATE TABLE "history_of_board_members_2002_present" (
  "year" text,
  "president" text,
  "vice_president" text,
  "gen_secretary" text,
  "treasurer" text
);

Question: Which year has a Gen.-Secretary of silvana jansen?
SQL: SELECT "year" FROM "history_of_board_members_2002_present" WHERE "gen_secretary"='silvana jansen';

Question: Which Gen.-Secretary that has a Vice President named charlotte saes?
SQL: SELECT "gen_secretary" FROM "history_of_board_members_2002_present" WHERE "vice_president"='charlotte saes';

Question: Which treasurer has a Gen.-Secretary of jonneke de koning, and a Vice President of laura tolen?
SQL: SELECT "treasurer" FROM "history_of_board_members_2002_present" WHERE "gen_secretary"='jonneke de koning' AND "vice_president"='laura tolen';

Question: Which Vice President has a President of daniel masny, and a Treasurer of rebecca t. altmann?
SQL: SELECT "vice_president" FROM "history_of_board_members_2002_present" WHERE "president"='daniel masny' AND "treasurer"='rebecca t. altmann';

Question: Who was president Year of 2002-2003, second semester?
SQL: SELECT "president" FROM "history_of_board_members_2002_present" WHERE "year"='2002-2003, second semester';

Question: Which treasurer has a President of sebastian ihler?
SQL: SELECT "treasurer" FROM "history_of_board_members_2002_present" WHERE "president"='sebastian ihler';