Table: pres_election_results_us
Columns: state
votes
votes_since_1856
democratic_votes
d_votes_since_1856
of_d_votes
d_since_1856
republican_votes
of_r_votes
r_since_1856
other_votes
o_votes_since_1856
of_o_votes
o_since_1856

Question: Name the total number of democratic votes when the other votes are less than  18 and the percentage of R votes are 52.63% and votes since 1856 less than 38
SQL: SELECT COUNT("democratic_votes") FROM pres_election_results_us WHERE "other_votes" < 18 AND "of_r_votes" = '52.63%' AND "votes_since_1856" < 38