CREATE TABLE table_18562 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

What candidate has a result of being re-elected in the Texas 7 District?
SELECT "Candidates" FROM table_18562 WHERE "Result" = 'Re-elected' AND "District" = 'Texas 7'
SELECT "Candidates" FROM "table_18562" WHERE "District" = 'Texas 7' AND "Result" = 'Re-elected'