CREATE TABLE may_2015_sept_2019 (
"monthly" VARCHAR,
"unnamed_1" VARCHAR,
"total_conferences" BIGINT,
"unnamed_3" DOUBLE,
"total_participants" BIGINT,
"unnamed_5" DOUBLE,
"unnamed_6" DOUBLE,
"unnamed_7" DOUBLE,
"avg_participants_per_conference" DOUBLE,
"unnamed_9" VARCHAR,
"total_a_v_conferences" BIGINT,
"total_a_v_conference_minutes" BIGINT,
"total_a_v_conference_participant_minutes" BIGINT,
"avg_a_v_conference_minutes" DOUBLE,
"total_unique_conference_organizers" BIGINT,
"unnamed_15" VARCHAR,
"unnamed_16" VARCHAR,
"unnamed_17" VARCHAR,
"unnamed_18" VARCHAR,
"total_conference_messages" BIGINT
);