CREATE TABLE table_204_70 (id NUMBER, "pick #" NUMBER, "nfl team" CLOB, "player" CLOB, "position" CLOB, "college" CLOB)

if david williams was chosen 208th overall , and greg schaum was chosen 186th , how many picks separate the two ?
SELECT (SELECT "pick #" FROM table_204_70 WHERE "player" = 'david williams') - (SELECT "pick #" FROM table_204_70 WHERE "player" = 'greg schaum')
SELECT (SELECT "pick #" FROM "table_204_70" WHERE "player" = 'david williams') - (SELECT "pick #" FROM "table_204_70" WHERE "player" = 'greg schaum')