CREATE TABLE table_7990 ("YEAR" FLOAT, "DATE" TEXT, "CHAMPION" TEXT, "BEAT" TEXT, "TIME" TEXT, "COURSE" TEXT)

WHAT YEAR WAS ROBERT COOMBES CHAMPION ON MAY 7?
SELECT COUNT("YEAR") FROM table_7990 WHERE "CHAMPION" = 'robert coombes' AND "DATE" = 'may 7'
SELECT COUNT("YEAR") FROM "table_7990" WHERE "CHAMPION" = 'robert coombes' AND "DATE" = 'may 7'