CREATE TABLE table_58742 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Results" TEXT)

What is Party, when Results is 'Re-Elected', when First Elected is greater than 1990, and when District is 'Minnesota 4'?
SELECT "Party" FROM table_58742 WHERE "Results" = 're-elected' AND "First elected" > '1990' AND "District" = 'minnesota 4'
SELECT "Party" FROM "table_58742" WHERE "District" = 'minnesota 4' AND "First elected" > '1990' AND "Results" = 're-elected'