CREATE TABLE "table1_25518547_4" (
  "pick_num" real,
  "mls_team" text,
  "player" text,
  "position" text,
  "affiliation" text
);

Question: How many mls teams had player jamel wallace?
SQL: SELECT COUNT("mls_team") FROM "table1_25518547_4" WHERE "player"='Jamel Wallace';

Question: What university is kwaku nyamekye affiliated with?
SQL: SELECT "affiliation" FROM "table1_25518547_4" WHERE "player"='Kwaku Nyamekye';

Question: What university is houston dynamo affiliated with?
SQL: SELECT "affiliation" FROM "table1_25518547_4" WHERE "mls_team"='Houston Dynamo';

Question: What is the position of pick # 63?
SQL: SELECT "position" FROM "table1_25518547_4" WHERE "pick_num"=63;

Question: How many players are affiliated with indiana university?
SQL: SELECT COUNT("player") FROM "table1_25518547_4" WHERE "affiliation"='Indiana University';