CREATE TABLE table_1937 ("Athlete" CLOB, "Class" CLOB, "Event" CLOB, "Round 1" CLOB, "Round 2" CLOB, "Round 3" CLOB, "1/8 Finals" CLOB, "Quarterfinals" CLOB, "Semifinals" CLOB, "Final/ Bronze medal contest" CLOB)

Name the number of semifinals for tt2
SELECT COUNT("Semifinals") FROM table_1937 WHERE "Class" = 'TT2'
SELECT COUNT("Semifinals") FROM "table_1937" WHERE "Class" = 'TT2'